260403

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 408576

約数和(自身を除く): 148173

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 607, 1821, 6677, 7891, 20031, 23673, 86801, 260403]

約数ペア:

[(1, 260403), (3, 86801), (11, 23673), (13, 20031), (33, 7891), (39, 6677), (143, 1821), (429, 607)]