1278464421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{171629}}^1$

素因数の和:171836

約数の個数: 16

約数和(自身を含む): 1845365760

約数和(自身を除く): 566901339

約数列:

[1, 3, 13, 39, 191, 573, 2483, 7449, 171629, 514887, 2231177, 6693531, 32781139, 98343417, 426154807, 1278464421]

約数ペア:

[(1, 1278464421), (3, 426154807), (13, 98343417), (39, 32781139), (191, 6693531), (573, 2231177), (2483, 514887), (7449, 171629)]