210804921

素因数分解:

$3^2\times {\mathrm{1531}}^1\times {\mathrm{15299}}^1$

素因数の和:16836

約数の個数: 12

約数和(自身を含む): 304714800

約数和(自身を除く): 93909879

約数列:

[1, 3, 9, 1531, 4593, 13779, 15299, 45897, 137691, 23422769, 70268307, 210804921]

約数ペア:

[(1, 210804921), (3, 70268307), (9, 23422769), (1531, 137691), (4593, 45897), (13779, 15299)]