28418769

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{3617}}^1$

素因数の和:3726

約数の個数: 20

約数和(自身を含む): 42902244

約数和(自身を除く): 14483475

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 2619, 3617, 7857, 10851, 32553, 97659, 292977, 350849, 1052547, 3157641, 9472923, 28418769]

約数ペア:

[(1, 28418769), (3, 9472923), (9, 3157641), (27, 1052547), (81, 350849), (97, 292977), (291, 97659), (873, 32553), (2619, 10851), (3617, 7857)]