660804921

素因数分解:

$3^2\times 7^1\times {\mathrm{10488967}}^1$

素因数の和:10488980

約数の個数: 12

約数和(自身を含む): 1090852672

約数和(自身を除く): 430047751

約数列:

[1, 3, 7, 9, 21, 63, 10488967, 31466901, 73422769, 94400703, 220268307, 660804921]

約数ペア:

[(1, 660804921), (3, 220268307), (7, 94400703), (9, 73422769), (21, 31466901), (63, 10488967)]