25510221

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{28631}}^1$

素因数の和:28654

約数の個数: 20

約数和(自身を含む): 41573664

約数和(自身を除く): 16063443

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 28631, 85893, 257679, 314941, 773037, 944823, 2319111, 2834469, 8503407, 25510221]

約数ペア:

[(1, 25510221), (3, 8503407), (9, 2834469), (11, 2319111), (27, 944823), (33, 773037), (81, 314941), (99, 257679), (297, 85893), (891, 28631)]