25714521

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2137}}^1$

素因数の和:2341

約数の個数: 24

約数和(自身を含む): 42691584

約数和(自身を除く): 16977063

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1337, 1719, 2137, 4011, 6411, 12033, 14959, 19233, 44877, 134631, 408167, 1224501, 2857169, 3673503, 8571507, 25714521]

約数ペア:

[(1, 25714521), (3, 8571507), (7, 3673503), (9, 2857169), (21, 1224501), (63, 408167), (191, 134631), (573, 44877), (1337, 19233), (1719, 14959), (2137, 12033), (4011, 6411)]