131488281

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{7229}}^1$

素因数の和:7325

約数の個数: 24

約数和(自身を含む): 198506880

約数和(自身を除く): 67018599

約数列:

[1, 3, 9, 43, 47, 129, 141, 387, 423, 2021, 6063, 7229, 18189, 21687, 65061, 310847, 339763, 932541, 1019289, 2797623, 3057867, 14609809, 43829427, 131488281]

約数ペア:

[(1, 131488281), (3, 43829427), (9, 14609809), (43, 3057867), (47, 2797623), (129, 1019289), (141, 932541), (387, 339763), (423, 310847), (2021, 65061), (6063, 21687), (7229, 18189)]