25138431

素因数分解:

$3^4\times {\mathrm{503}}^1\times {\mathrm{617}}^1$

素因数の和:1132

約数の個数: 20

約数和(自身を含む): 37688112

約数和(自身を除く): 12549681

約数列:

[1, 3, 9, 27, 81, 503, 617, 1509, 1851, 4527, 5553, 13581, 16659, 40743, 49977, 310351, 931053, 2793159, 8379477, 25138431]

約数ペア:

[(1, 25138431), (3, 8379477), (9, 2793159), (27, 931053), (81, 310351), (503, 49977), (617, 40743), (1509, 16659), (1851, 13581), (4527, 5553)]