138688281

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{41761}}^1$

素因数の和:41814

約数の個数: 20

約数和(自身を含む): 212234484

約数和(自身を除く): 73546203

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 41761, 125283, 375849, 1127547, 1712201, 3382641, 5136603, 15409809, 46229427, 138688281]

約数ペア:

[(1, 138688281), (3, 46229427), (9, 15409809), (27, 5136603), (41, 3382641), (81, 1712201), (123, 1127547), (369, 375849), (1107, 125283), (3321, 41761)]