25189227

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 36

約数和(自身を含む): 42720496

約数和(自身を除く): 17531269

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 181, 329, 423, 543, 987, 1267, 1629, 2209, 2961, 3801, 6627, 8507, 11403, 15463, 19881, 25521, 46389, 59549, 76563, 139167, 178647, 399829, 535941, 1199487, 2798803, 3598461, 8396409, 25189227]

約数ペア:

[(1, 25189227), (3, 8396409), (7, 3598461), (9, 2798803), (21, 1199487), (47, 535941), (63, 399829), (141, 178647), (181, 139167), (329, 76563), (423, 59549), (543, 46389), (987, 25521), (1267, 19881), (1629, 15463), (2209, 11403), (2961, 8507), (3801, 6627)]