13405329

素因数分解:

$3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{547}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 22226880

約数和(自身を除く): 8821551

約数列:

[1, 3, 7, 9, 21, 63, 389, 547, 1167, 1641, 2723, 3501, 3829, 4923, 8169, 11487, 24507, 34461, 212783, 638349, 1489481, 1915047, 4468443, 13405329]

約数ペア:

[(1, 13405329), (3, 4468443), (7, 1915047), (9, 1489481), (21, 638349), (63, 212783), (389, 34461), (547, 24507), (1167, 11487), (1641, 8169), (2723, 4923), (3501, 3829)]