13217991

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{617}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 18223584

約数和(自身を除く): 5005593

約数列:

[1, 3, 37, 111, 193, 579, 617, 1851, 7141, 21423, 22829, 68487, 119081, 357243, 4405997, 13217991]

約数ペア:

[(1, 13217991), (3, 4405997), (37, 357243), (111, 119081), (193, 68487), (579, 22829), (617, 21423), (1851, 7141)]