1906804575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1314

約数の個数: 144

約数和(自身を含む): 4023242496

約数和(自身を除く): 2116437921

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 31, 39, 45, 51, 65, 75, 85, 93, 117, 153, 155, 195, 221, 225, 255, 279, 325, 403, 425, 465, 527, 585, 663, 765, 775, 975, 1105, 1209, 1237, 1275, 1395, 1581, 1989, 2015, 2325, 2635, 2925, 3315, 3627, 3711, 3825, 4743, 5525, 6045, 6185, 6851, 6975, 7905, 9945, 10075, 11133, 13175, 16081, 16575, 18135, 18555, 20553, 21029, 23715, 30225, 30925, 34255, 38347, 39525, 48243, 49725, 55665, 61659, 63087, 80405, 90675, 92775, 102765, 105145, 115041, 118575, 144729, 171275, 189261, 191735, 241215, 273377, 278325, 308295, 315435, 345123, 402025, 498511, 513825, 525725, 575205, 651899, 723645, 820131, 946305, 958675, 1206075, 1366885, 1495533, 1541475, 1577175, 1725615, 1955697, 2460393, 2492555, 2876025, 3259495, 3618225, 4100655, 4486599, 4731525, 5867091, 6834425, 7477665, 8474687, 8628075, 9778485, 12301965, 12462775, 16297475, 20503275, 22432995, 25424061, 29335455, 37388325, 42373435, 48892425, 61509825, 76272183, 112164975, 127120305, 146677275, 211867175, 381360915, 635601525, 1906804575]

約数ペア:

[(1, 1906804575), (3, 635601525), (5, 381360915), (9, 211867175), (13, 146677275), (15, 127120305), (17, 112164975), (25, 76272183), (31, 61509825), (39, 48892425), (45, 42373435), (51, 37388325), (65, 29335455), (75, 25424061), (85, 22432995), (93, 20503275), (117, 16297475), (153, 12462775), (155, 12301965), (195, 9778485), (221, 8628075), (225, 8474687), (255, 7477665), (279, 6834425), (325, 5867091), (403, 4731525), (425, 4486599), (465, 4100655), (527, 3618225), (585, 3259495), (663, 2876025), (765, 2492555), (775, 2460393), (975, 1955697), (1105, 1725615), (1209, 1577175), (1237, 1541475), (1275, 1495533), (1395, 1366885), (1581, 1206075), (1989, 958675), (2015, 946305), (2325, 820131), (2635, 723645), (2925, 651899), (3315, 575205), (3627, 525725), (3711, 513825), (3825, 498511), (4743, 402025), (5525, 345123), (6045, 315435), (6185, 308295), (6851, 278325), (6975, 273377), (7905, 241215), (9945, 191735), (10075, 189261), (11133, 171275), (13175, 144729), (16081, 118575), (16575, 115041), (18135, 105145), (18555, 102765), (20553, 92775), (21029, 90675), (23715, 80405), (30225, 63087), (30925, 61659), (34255, 55665), (38347, 49725), (39525, 48243)]