68826015

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{35569}}^1$

素因数の和:35623

約数の個数: 24

約数和(自身を含む): 122076240

約数和(自身を除く): 53250225

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 35569, 106707, 177845, 320121, 533535, 1529467, 1600605, 4588401, 7647335, 13765203, 22942005, 68826015]

約数ペア:

[(1, 68826015), (3, 22942005), (5, 13765203), (9, 7647335), (15, 4588401), (43, 1600605), (45, 1529467), (129, 533535), (215, 320121), (387, 177845), (645, 106707), (1935, 35569)]