212638725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 413897120

約数和(自身を除く): 201258395

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 139, 195, 225, 325, 417, 523, 585, 695, 975, 1251, 1569, 1807, 2085, 2615, 2925, 3475, 4707, 5421, 6255, 6799, 7845, 9035, 10425, 13075, 16263, 20397, 23535, 27105, 31275, 33995, 39225, 45175, 61191, 72697, 81315, 101985, 117675, 135525, 169975, 218091, 305955, 363485, 406575, 509925, 654273, 945061, 1090455, 1529775, 1817425, 2835183, 3271365, 4725305, 5452275, 8505549, 14175915, 16356825, 23626525, 42527745, 70879575, 212638725]

約数ペア:

[(1, 212638725), (3, 70879575), (5, 42527745), (9, 23626525), (13, 16356825), (15, 14175915), (25, 8505549), (39, 5452275), (45, 4725305), (65, 3271365), (75, 2835183), (117, 1817425), (139, 1529775), (195, 1090455), (225, 945061), (325, 654273), (417, 509925), (523, 406575), (585, 363485), (695, 305955), (975, 218091), (1251, 169975), (1569, 135525), (1807, 117675), (2085, 101985), (2615, 81315), (2925, 72697), (3475, 61191), (4707, 45175), (5421, 39225), (6255, 33995), (6799, 31275), (7845, 27105), (9035, 23535), (10425, 20397), (13075, 16263)]