199422873

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{131113}}^1$

素因数の和:131145

約数の個数: 18

約数和(自身を含む): 311920206

約数和(自身を除く): 112497333

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 131113, 393339, 1180017, 1704469, 5113407, 15340221, 22158097, 66474291, 199422873]

約数ペア:

[(1, 199422873), (3, 66474291), (9, 22158097), (13, 15340221), (39, 5113407), (117, 1704469), (169, 1180017), (507, 393339), (1521, 131113)]