870048639

素因数分解:

$3^2\times {\mathrm{521}}^1\times {\mathrm{185551}}^1$

素因数の和:186078

約数の個数: 12

約数和(自身を含む): 1259155872

約数和(自身を除く): 389107233

約数列:

[1, 3, 9, 521, 1563, 4689, 185551, 556653, 1669959, 96672071, 290016213, 870048639]

約数ペア:

[(1, 870048639), (3, 290016213), (9, 96672071), (521, 1669959), (1563, 556653), (4689, 185551)]