28979811

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1637}}^1$

素因数の和:1931

約数の個数: 24

約数和(自身を含む): 48039264

約数和(自身を除く): 19059453

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1637, 1967, 2529, 4911, 5901, 11459, 14733, 17703, 34377, 103131, 459997, 1379991, 3219979, 4139973, 9659937, 28979811]

約数ペア:

[(1, 28979811), (3, 9659937), (7, 4139973), (9, 3219979), (21, 1379991), (63, 459997), (281, 103131), (843, 34377), (1637, 17703), (1967, 14733), (2529, 11459), (4911, 5901)]