15650661

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21121}}^1$

素因数の和:21156

約数の個数: 16

約数和(自身を含む): 23656640

約数和(自身を除く): 8005979

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 21121, 63363, 274573, 401299, 823719, 1203897, 5216887, 15650661]

約数ペア:

[(1, 15650661), (3, 5216887), (13, 1203897), (19, 823719), (39, 401299), (57, 274573), (247, 63363), (741, 21121)]