87317775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 167132160

約数和(自身を除く): 79814385

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 47, 69, 75, 115, 141, 207, 225, 235, 345, 359, 423, 575, 705, 1035, 1077, 1081, 1175, 1725, 1795, 2115, 3231, 3243, 3525, 5175, 5385, 5405, 8257, 8975, 9729, 10575, 16155, 16215, 16873, 24771, 26925, 27025, 41285, 48645, 50619, 74313, 80775, 81075, 84365, 123855, 151857, 206425, 243225, 253095, 371565, 388079, 421825, 619275, 759285, 1164237, 1265475, 1857825, 1940395, 3492711, 3796425, 5821185, 9701975, 17463555, 29105925, 87317775]

約数ペア:

[(1, 87317775), (3, 29105925), (5, 17463555), (9, 9701975), (15, 5821185), (23, 3796425), (25, 3492711), (45, 1940395), (47, 1857825), (69, 1265475), (75, 1164237), (115, 759285), (141, 619275), (207, 421825), (225, 388079), (235, 371565), (345, 253095), (359, 243225), (423, 206425), (575, 151857), (705, 123855), (1035, 84365), (1077, 81075), (1081, 80775), (1175, 74313), (1725, 50619), (1795, 48645), (2115, 41285), (3231, 27025), (3243, 26925), (3525, 24771), (5175, 16873), (5385, 16215), (5405, 16155), (8257, 10575), (8975, 9729)]