25085781

素因数分解:

$3^4\times 7^1\times {\mathrm{151}}^1\times {\mathrm{293}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 43257984

約数和(自身を除く): 18172203

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 151, 189, 293, 453, 567, 879, 1057, 1359, 2051, 2637, 3171, 4077, 6153, 7911, 9513, 12231, 18459, 23733, 28539, 44243, 55377, 85617, 132729, 166131, 309701, 398187, 929103, 1194561, 2787309, 3583683, 8361927, 25085781]

約数ペア:

[(1, 25085781), (3, 8361927), (7, 3583683), (9, 2787309), (21, 1194561), (27, 929103), (63, 398187), (81, 309701), (151, 166131), (189, 132729), (293, 85617), (453, 55377), (567, 44243), (879, 28539), (1057, 23733), (1359, 18459), (2051, 12231), (2637, 9513), (3171, 7911), (4077, 6153)]