25661721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 12658407

約数列:

[1, 3, 17, 23, 51, 69, 131, 167, 391, 393, 501, 1173, 2227, 2839, 3013, 3841, 6681, 8517, 9039, 11523, 21877, 51221, 65297, 65631, 153663, 195891, 371909, 503171, 1115727, 1509513, 8553907, 25661721]

約数ペア:

[(1, 25661721), (3, 8553907), (17, 1509513), (23, 1115727), (51, 503171), (69, 371909), (131, 195891), (167, 153663), (391, 65631), (393, 65297), (501, 51221), (1173, 21877), (2227, 11523), (2839, 9039), (3013, 8517), (3841, 6681)]