210325311

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{19991}}^1$

素因数の和:20171

約数の個数: 24

約数和(自身を含む): 349300224

約数和(自身を除く): 138974913

約数列:

[1, 3, 7, 9, 21, 63, 167, 501, 1169, 1503, 3507, 10521, 19991, 59973, 139937, 179919, 419811, 1259433, 3338497, 10015491, 23369479, 30046473, 70108437, 210325311]

約数ペア:

[(1, 210325311), (3, 70108437), (7, 30046473), (9, 23369479), (21, 10015491), (63, 3338497), (167, 1259433), (501, 419811), (1169, 179919), (1503, 139937), (3507, 59973), (10521, 19991)]