15966405

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:595

約数の個数: 72

約数和(自身を含む): 34732152

約数和(自身を除く): 18765747

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 91, 105, 117, 147, 195, 245, 273, 315, 441, 455, 557, 585, 637, 735, 819, 1365, 1671, 1911, 2205, 2785, 3185, 3899, 4095, 5013, 5733, 7241, 8355, 9555, 11697, 19495, 21723, 25065, 27293, 28665, 35091, 36205, 50687, 58485, 65169, 81879, 108615, 136465, 152061, 175455, 245637, 253435, 325845, 354809, 409395, 456183, 760305, 1064427, 1228185, 1774045, 2280915, 3193281, 5322135, 15966405]

約数ペア:

[(1, 15966405), (3, 5322135), (5, 3193281), (7, 2280915), (9, 1774045), (13, 1228185), (15, 1064427), (21, 760305), (35, 456183), (39, 409395), (45, 354809), (49, 325845), (63, 253435), (65, 245637), (91, 175455), (105, 152061), (117, 136465), (147, 108615), (195, 81879), (245, 65169), (273, 58485), (315, 50687), (441, 36205), (455, 35091), (557, 28665), (585, 27293), (637, 25065), (735, 21723), (819, 19495), (1365, 11697), (1671, 9555), (1911, 8355), (2205, 7241), (2785, 5733), (3185, 5013), (3899, 4095)]