3913875

素因数分解:

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

素因数の和:106

約数の個数: 72

約数和(自身を含む): 8322912

約数和(自身を除く): 4409037

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 71, 75, 105, 125, 147, 175, 213, 225, 245, 315, 355, 375, 441, 497, 525, 639, 735, 875, 1065, 1125, 1225, 1491, 1575, 1775, 2205, 2485, 2625, 3195, 3479, 3675, 4473, 5325, 6125, 7455, 7875, 8875, 10437, 11025, 12425, 15975, 17395, 18375, 22365, 26625, 31311, 37275, 52185, 55125, 62125, 79875, 86975, 111825, 156555, 186375, 260925, 434875, 559125, 782775, 1304625, 3913875]

約数ペア:

[(1, 3913875), (3, 1304625), (5, 782775), (7, 559125), (9, 434875), (15, 260925), (21, 186375), (25, 156555), (35, 111825), (45, 86975), (49, 79875), (63, 62125), (71, 55125), (75, 52185), (105, 37275), (125, 31311), (147, 26625), (175, 22365), (213, 18375), (225, 17395), (245, 15975), (315, 12425), (355, 11025), (375, 10437), (441, 8875), (497, 7875), (525, 7455), (639, 6125), (735, 5325), (875, 4473), (1065, 3675), (1125, 3479), (1225, 3195), (1491, 2625), (1575, 2485), (1775, 2205)]