64652985

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2617}}^1$

素因数の和:2695

約数の個数: 40

約数和(自身を含む): 117841416

約数和(自身を除く): 53188431

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1647, 2617, 2745, 4941, 7851, 8235, 13085, 23553, 24705, 39255, 70659, 117765, 159637, 211977, 353295, 478911, 798185, 1059885, 1436733, 2394555, 4310199, 7183665, 12930597, 21550995, 64652985]

約数ペア:

[(1, 64652985), (3, 21550995), (5, 12930597), (9, 7183665), (15, 4310199), (27, 2394555), (45, 1436733), (61, 1059885), (81, 798185), (135, 478911), (183, 353295), (305, 211977), (405, 159637), (549, 117765), (915, 70659), (1647, 39255), (2617, 24705), (2745, 23553), (4941, 13085), (7851, 8235)]