199340739

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{131059}}^1$

素因数の和:131091

約数の個数: 18

約数和(自身を含む): 311791740

約数和(自身を除く): 112451001

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 131059, 393177, 1179531, 1703767, 5111301, 15333903, 22148971, 66446913, 199340739]

約数ペア:

[(1, 199340739), (3, 66446913), (9, 22148971), (13, 15333903), (39, 5111301), (117, 1703767), (169, 1179531), (507, 393177), (1521, 131059)]