489801

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 741440

約数和(自身を除く): 251639

約数列:

[1, 3, 13, 19, 39, 57, 247, 661, 741, 1983, 8593, 12559, 25779, 37677, 163267, 489801]

約数ペア:

[(1, 489801), (3, 163267), (13, 37677), (19, 25779), (39, 12559), (57, 8593), (247, 1983), (661, 741)]