71366025

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{22129}}^1$

素因数の和:22185

約数の個数: 24

約数和(自身を含む): 120741280

約数和(自身を除く): 49375255

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 22129, 66387, 110645, 331935, 553225, 951547, 1659675, 2854641, 4757735, 14273205, 23788675, 71366025]

約数ペア:

[(1, 71366025), (3, 23788675), (5, 14273205), (15, 4757735), (25, 2854641), (43, 1659675), (75, 951547), (129, 553225), (215, 331935), (645, 110645), (1075, 66387), (3225, 22129)]