25115589

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{2081}}^1$

素因数の和:2242

約数の個数: 20

約数和(自身を含む): 37788300

約数和(自身を除く): 12672711

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 2081, 4023, 6243, 12069, 18729, 56187, 168561, 310069, 930207, 2790621, 8371863, 25115589]

約数ペア:

[(1, 25115589), (3, 8371863), (9, 2790621), (27, 930207), (81, 310069), (149, 168561), (447, 56187), (1341, 18729), (2081, 12069), (4023, 6243)]