90877227

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 141066240

約数和(自身を除く): 50189013

約数列:

[1, 3, 7, 21, 139, 163, 191, 417, 489, 573, 973, 1141, 1337, 2919, 3423, 4011, 22657, 26549, 31133, 67971, 79647, 93399, 158599, 185843, 217931, 475797, 557529, 653793, 4327487, 12982461, 30292409, 90877227]

約数ペア:

[(1, 90877227), (3, 30292409), (7, 12982461), (21, 4327487), (139, 653793), (163, 557529), (191, 475797), (417, 217931), (489, 185843), (573, 158599), (973, 93399), (1141, 79647), (1337, 67971), (2919, 31133), (3423, 26549), (4011, 22657)]