15717351

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21211}}^1$

素因数の和:21246

約数の個数: 16

約数和(自身を含む): 23757440

約数和(自身を除く): 8040089

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 21211, 63633, 275743, 403009, 827229, 1209027, 5239117, 15717351]

約数ペア:

[(1, 15717351), (3, 5239117), (13, 1209027), (19, 827229), (39, 403009), (57, 275743), (247, 63633), (741, 21211)]