220161921

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{103801}}^1$

素因数の和:103912

約数の個数: 16

約数和(自身を含む): 338809728

約数和(自身を除く): 118647807

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 103801, 311403, 726607, 2179821, 10483901, 31451703, 73387307, 220161921]

約数ペア:

[(1, 220161921), (3, 73387307), (7, 31451703), (21, 10483901), (101, 2179821), (303, 726607), (707, 311403), (2121, 103801)]