87684129

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{57649}}^1$

素因数の和:57681

約数の個数: 18

約数和(自身を含む): 137149350

約数和(自身を除く): 49465221

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 57649, 172947, 518841, 749437, 2248311, 6744933, 9742681, 29228043, 87684129]

約数ペア:

[(1, 87684129), (3, 29228043), (9, 9742681), (13, 6744933), (39, 2248311), (117, 749437), (169, 518841), (507, 172947), (1521, 57649)]