31422825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 65460096

約数和(自身を除く): 34037271

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 71, 75, 105, 175, 213, 225, 281, 315, 355, 497, 525, 639, 843, 1065, 1405, 1491, 1575, 1775, 1967, 2485, 2529, 3195, 4215, 4473, 5325, 5901, 7025, 7455, 9835, 12425, 12645, 15975, 17703, 19951, 21075, 22365, 29505, 37275, 49175, 59853, 63225, 88515, 99755, 111825, 139657, 147525, 179559, 299265, 418971, 442575, 498775, 698285, 897795, 1256913, 1496325, 2094855, 3491425, 4488975, 6284565, 10474275, 31422825]

約数ペア:

[(1, 31422825), (3, 10474275), (5, 6284565), (7, 4488975), (9, 3491425), (15, 2094855), (21, 1496325), (25, 1256913), (35, 897795), (45, 698285), (63, 498775), (71, 442575), (75, 418971), (105, 299265), (175, 179559), (213, 147525), (225, 139657), (281, 111825), (315, 99755), (355, 88515), (497, 63225), (525, 59853), (639, 49175), (843, 37275), (1065, 29505), (1405, 22365), (1491, 21075), (1575, 19951), (1775, 17703), (1967, 15975), (2485, 12645), (2529, 12425), (3195, 9835), (4215, 7455), (4473, 7025), (5325, 5901)]