39889575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 79387776

約数和(自身を除く): 39498201

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 71, 75, 99, 165, 213, 225, 227, 275, 355, 495, 639, 681, 781, 825, 1065, 1135, 1775, 2043, 2343, 2475, 2497, 3195, 3405, 3905, 5325, 5675, 7029, 7491, 10215, 11715, 12485, 15975, 16117, 17025, 19525, 22473, 35145, 37455, 48351, 51075, 58575, 62425, 80585, 112365, 145053, 175725, 177287, 187275, 241755, 402925, 531861, 561825, 725265, 886435, 1208775, 1595583, 2659305, 3626325, 4432175, 7977915, 13296525, 39889575]

約数ペア:

[(1, 39889575), (3, 13296525), (5, 7977915), (9, 4432175), (11, 3626325), (15, 2659305), (25, 1595583), (33, 1208775), (45, 886435), (55, 725265), (71, 561825), (75, 531861), (99, 402925), (165, 241755), (213, 187275), (225, 177287), (227, 175725), (275, 145053), (355, 112365), (495, 80585), (639, 62425), (681, 58575), (781, 51075), (825, 48351), (1065, 37455), (1135, 35145), (1775, 22473), (2043, 19525), (2343, 17025), (2475, 16117), (2497, 15975), (3195, 12485), (3405, 11715), (3905, 10215), (5325, 7491), (5675, 7029)]