156913239

素因数分解:

$3^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{1399}}^1$

素因数の和:1532

約数の個数: 32

約数和(自身を含む): 246400000

約数和(自身を除く): 89486761

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 343, 763, 1029, 1399, 2289, 4197, 5341, 9793, 16023, 29379, 37387, 68551, 112161, 152491, 205653, 457473, 479857, 1067437, 1439571, 3202311, 7472059, 22416177, 52304413, 156913239]

約数ペア:

[(1, 156913239), (3, 52304413), (7, 22416177), (21, 7472059), (49, 3202311), (109, 1439571), (147, 1067437), (327, 479857), (343, 457473), (763, 205653), (1029, 152491), (1399, 112161), (2289, 68551), (4197, 37387), (5341, 29379), (9793, 16023)]