13855779

素因数分解:

$3^4\times 7^2\times {\mathrm{3491}}^1$

素因数の和:3517

約数の個数: 30

約数和(自身を含む): 24084324

約数和(自身を除く): 10228545

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3491, 3969, 10473, 24437, 31419, 73311, 94257, 171059, 219933, 282771, 513177, 659799, 1539531, 1979397, 4618593, 13855779]

約数ペア:

[(1, 13855779), (3, 4618593), (7, 1979397), (9, 1539531), (21, 659799), (27, 513177), (49, 282771), (63, 219933), (81, 171059), (147, 94257), (189, 73311), (441, 31419), (567, 24437), (1323, 10473), (3491, 3969)]