28627011

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12281}}^1$

素因数の和:12331

約数の個数: 24

約数和(自身を含む): 48538464

約数和(自身を除く): 19911453

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 12281, 36843, 85967, 110529, 257901, 454397, 773703, 1363191, 3180779, 4089573, 9542337, 28627011]

約数ペア:

[(1, 28627011), (3, 9542337), (7, 4089573), (9, 3180779), (21, 1363191), (37, 773703), (63, 454397), (111, 257901), (259, 110529), (333, 85967), (777, 36843), (2331, 12281)]