320021807

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{126641}}^1$

素因数の和:126686

約数の個数: 12

約数和(自身を含む): 386004816

約数和(自身を除く): 65983009

約数列:

[1, 7, 19, 133, 361, 2527, 126641, 886487, 2406179, 16843253, 45717401, 320021807]

約数ペア:

[(1, 320021807), (7, 45717401), (19, 16843253), (133, 2406179), (361, 886487), (2527, 126641)]