16956225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 38997504

約数和(自身を除く): 22041279

約数列:

[1, 3, 5, 9, 11, 13, 15, 17, 25, 31, 33, 39, 45, 51, 55, 65, 75, 85, 93, 99, 117, 143, 153, 155, 165, 187, 195, 221, 225, 255, 275, 279, 325, 341, 403, 425, 429, 465, 495, 527, 561, 585, 663, 715, 765, 775, 825, 935, 975, 1023, 1105, 1209, 1275, 1287, 1395, 1581, 1683, 1705, 1989, 2015, 2145, 2325, 2431, 2475, 2635, 2805, 2925, 3069, 3315, 3575, 3627, 3825, 4433, 4675, 4743, 5115, 5525, 5797, 6045, 6435, 6851, 6975, 7293, 7905, 8415, 8525, 9945, 10075, 10725, 12155, 13175, 13299, 14025, 15345, 16575, 17391, 18135, 20553, 21879, 22165, 23715, 25575, 28985, 30225, 32175, 34255, 36465, 39525, 39897, 42075, 49725, 52173, 60775, 61659, 66495, 75361, 76725, 86955, 90675, 102765, 109395, 110825, 118575, 144925, 171275, 182325, 199485, 226083, 260865, 308295, 332475, 376805, 434775, 513825, 546975, 678249, 997425, 1130415, 1304325, 1541475, 1884025, 3391245, 5652075, 16956225]

約数ペア:

[(1, 16956225), (3, 5652075), (5, 3391245), (9, 1884025), (11, 1541475), (13, 1304325), (15, 1130415), (17, 997425), (25, 678249), (31, 546975), (33, 513825), (39, 434775), (45, 376805), (51, 332475), (55, 308295), (65, 260865), (75, 226083), (85, 199485), (93, 182325), (99, 171275), (117, 144925), (143, 118575), (153, 110825), (155, 109395), (165, 102765), (187, 90675), (195, 86955), (221, 76725), (225, 75361), (255, 66495), (275, 61659), (279, 60775), (325, 52173), (341, 49725), (403, 42075), (425, 39897), (429, 39525), (465, 36465), (495, 34255), (527, 32175), (561, 30225), (585, 28985), (663, 25575), (715, 23715), (765, 22165), (775, 21879), (825, 20553), (935, 18135), (975, 17391), (1023, 16575), (1105, 15345), (1209, 14025), (1275, 13299), (1287, 13175), (1395, 12155), (1581, 10725), (1683, 10075), (1705, 9945), (1989, 8525), (2015, 8415), (2145, 7905), (2325, 7293), (2431, 6975), (2475, 6851), (2635, 6435), (2805, 6045), (2925, 5797), (3069, 5525), (3315, 5115), (3575, 4743), (3627, 4675), (3825, 4433)]