1304625

素因数分解:

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

素因数の和:103

約数の個数: 48

約数和(自身を含む): 2560896

約数和(自身を除く): 1256271

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 71, 75, 105, 125, 147, 175, 213, 245, 355, 375, 497, 525, 735, 875, 1065, 1225, 1491, 1775, 2485, 2625, 3479, 3675, 5325, 6125, 7455, 8875, 10437, 12425, 17395, 18375, 26625, 37275, 52185, 62125, 86975, 186375, 260925, 434875, 1304625]

約数ペア:

[(1, 1304625), (3, 434875), (5, 260925), (7, 186375), (15, 86975), (21, 62125), (25, 52185), (35, 37275), (49, 26625), (71, 18375), (75, 17395), (105, 12425), (125, 10437), (147, 8875), (175, 7455), (213, 6125), (245, 5325), (355, 3675), (375, 3479), (497, 2625), (525, 2485), (735, 1775), (875, 1491), (1065, 1225)]