138315219

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3259}}^1$

素因数の和:3359

約数の個数: 32

約数和(自身を含む): 220323840

約数和(自身を除く): 82008621

約数列:

[1, 3, 7, 21, 43, 47, 129, 141, 301, 329, 903, 987, 2021, 3259, 6063, 9777, 14147, 22813, 42441, 68439, 140137, 153173, 420411, 459519, 980959, 1072211, 2942877, 3216633, 6586439, 19759317, 46105073, 138315219]

約数ペア:

[(1, 138315219), (3, 46105073), (7, 19759317), (21, 6586439), (43, 3216633), (47, 2942877), (129, 1072211), (141, 980959), (301, 459519), (329, 420411), (903, 153173), (987, 140137), (2021, 68439), (3259, 42441), (6063, 22813), (9777, 14147)]