78198267

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{10037}}^1$

素因数の和:10107

約数の個数: 24

約数和(自身を含む): 123587856

約数和(自身を除く): 45389589

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 7791, 10037, 30111, 70259, 210777, 491813, 531961, 1475439, 1595883, 3723727, 11171181, 26066089, 78198267]

約数ペア:

[(1, 78198267), (3, 26066089), (7, 11171181), (21, 3723727), (49, 1595883), (53, 1475439), (147, 531961), (159, 491813), (371, 210777), (1113, 70259), (2597, 30111), (7791, 10037)]