15421419

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{10139}}^1$

素因数の和:10171

約数の個数: 18

約数和(自身を含む): 24123060

約数和(自身を除く): 8701641

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 10139, 30417, 91251, 131807, 395421, 1186263, 1713491, 5140473, 15421419]

約数ペア:

[(1, 15421419), (3, 5140473), (9, 1713491), (13, 1186263), (39, 395421), (117, 131807), (169, 91251), (507, 30417), (1521, 10139)]