199251

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:163

約数の個数: 18

約数和(自身を含む): 314028

約数和(自身を除く): 114777

約数列:

[1, 3, 9, 13, 39, 117, 131, 169, 393, 507, 1179, 1521, 1703, 5109, 15327, 22139, 66417, 199251]

約数ペア:

[(1, 199251), (3, 66417), (9, 22139), (13, 15327), (39, 5109), (117, 1703), (131, 1521), (169, 1179), (393, 507)]