245884209

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{12721}}^1$

素因数の和:13120

約数の個数: 16

約数和(自身を含む): 348073920

約数和(自身を除く): 102189711

約数列:

[1, 3, 17, 51, 379, 1137, 6443, 12721, 19329, 38163, 216257, 648771, 4821259, 14463777, 81961403, 245884209]

約数ペア:

[(1, 245884209), (3, 81961403), (17, 14463777), (51, 4821259), (379, 648771), (1137, 216257), (6443, 38163), (12721, 19329)]