664459875

素因数分解:

$3^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 1340202240

約数和(自身を除く): 675742365

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 37, 45, 51, 75, 85, 111, 125, 135, 153, 185, 225, 255, 313, 333, 375, 425, 459, 555, 629, 675, 765, 925, 939, 999, 1125, 1275, 1565, 1665, 1887, 2125, 2295, 2775, 2817, 3145, 3375, 3825, 4625, 4695, 4995, 5321, 5661, 6375, 7825, 8325, 8451, 9435, 11475, 11581, 13875, 14085, 15725, 15963, 16983, 19125, 23475, 24975, 26605, 28305, 34743, 39125, 41625, 42255, 47175, 47889, 57375, 57905, 70425, 78625, 79815, 84915, 104229, 117375, 124875, 133025, 141525, 143667, 173715, 196877, 211275, 235875, 239445, 289525, 312687, 352125, 399075, 424575, 521145, 590631, 665125, 707625, 718335, 868575, 984385, 1056375, 1197225, 1447625, 1563435, 1771893, 1995375, 2122875, 2605725, 2953155, 3591675, 4342875, 4921925, 5315679, 5986125, 7817175, 8859465, 13028625, 14765775, 17958375, 24609625, 26578395, 39085875, 44297325, 73828875, 132891975, 221486625, 664459875]

約数ペア:

[(1, 664459875), (3, 221486625), (5, 132891975), (9, 73828875), (15, 44297325), (17, 39085875), (25, 26578395), (27, 24609625), (37, 17958375), (45, 14765775), (51, 13028625), (75, 8859465), (85, 7817175), (111, 5986125), (125, 5315679), (135, 4921925), (153, 4342875), (185, 3591675), (225, 2953155), (255, 2605725), (313, 2122875), (333, 1995375), (375, 1771893), (425, 1563435), (459, 1447625), (555, 1197225), (629, 1056375), (675, 984385), (765, 868575), (925, 718335), (939, 707625), (999, 665125), (1125, 590631), (1275, 521145), (1565, 424575), (1665, 399075), (1887, 352125), (2125, 312687), (2295, 289525), (2775, 239445), (2817, 235875), (3145, 211275), (3375, 196877), (3825, 173715), (4625, 143667), (4695, 141525), (4995, 133025), (5321, 124875), (5661, 117375), (6375, 104229), (7825, 84915), (8325, 79815), (8451, 78625), (9435, 70425), (11475, 57905), (11581, 57375), (13875, 47889), (14085, 47175), (15725, 42255), (15963, 41625), (16983, 39125), (19125, 34743), (23475, 28305), (24975, 26605)]