82171425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{557}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 156097152

約数和(自身を除く): 73925727

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 281, 525, 557, 843, 1405, 1671, 1967, 2785, 3899, 4215, 5901, 7025, 8355, 9835, 11697, 13925, 19495, 21075, 29505, 41775, 49175, 58485, 97475, 147525, 156517, 292425, 469551, 782585, 1095619, 2347755, 3286857, 3912925, 5478095, 11738775, 16434285, 27390475, 82171425]

約数ペア:

[(1, 82171425), (3, 27390475), (5, 16434285), (7, 11738775), (15, 5478095), (21, 3912925), (25, 3286857), (35, 2347755), (75, 1095619), (105, 782585), (175, 469551), (281, 292425), (525, 156517), (557, 147525), (843, 97475), (1405, 58485), (1671, 49175), (1967, 41775), (2785, 29505), (3899, 21075), (4215, 19495), (5901, 13925), (7025, 11697), (8355, 9835)]