213523625

素因数分解:

$5^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:591

約数の個数: 48

約数和(自身を含む): 314990208

約数和(自身を除く): 101466583

約数列:

[1, 5, 7, 25, 35, 49, 71, 125, 175, 245, 355, 491, 497, 875, 1225, 1775, 2455, 2485, 3437, 3479, 6125, 8875, 12275, 12425, 17185, 17395, 24059, 34861, 61375, 62125, 85925, 86975, 120295, 174305, 244027, 429625, 434875, 601475, 871525, 1220135, 1708189, 3007375, 4357625, 6100675, 8540945, 30503375, 42704725, 213523625]

約数ペア:

[(1, 213523625), (5, 42704725), (7, 30503375), (25, 8540945), (35, 6100675), (49, 4357625), (71, 3007375), (125, 1708189), (175, 1220135), (245, 871525), (355, 601475), (491, 434875), (497, 429625), (875, 244027), (1225, 174305), (1775, 120295), (2455, 86975), (2485, 85925), (3437, 62125), (3479, 61375), (6125, 34861), (8875, 24059), (12275, 17395), (12425, 17185)]