25615629

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 19542771

約数列:

[1, 3, 9, 13, 19, 23, 27, 39, 57, 69, 117, 167, 171, 207, 247, 299, 351, 437, 501, 513, 621, 741, 897, 1311, 1503, 2171, 2223, 2691, 3173, 3841, 3933, 4509, 5681, 6513, 6669, 8073, 9519, 11523, 11799, 17043, 19539, 28557, 34569, 41249, 49933, 51129, 58617, 72979, 85671, 103707, 123747, 149799, 153387, 218937, 371241, 449397, 656811, 948727, 1113723, 1348191, 1970433, 2846181, 8538543, 25615629]

約数ペア:

[(1, 25615629), (3, 8538543), (9, 2846181), (13, 1970433), (19, 1348191), (23, 1113723), (27, 948727), (39, 656811), (57, 449397), (69, 371241), (117, 218937), (167, 153387), (171, 149799), (207, 123747), (247, 103707), (299, 85671), (351, 72979), (437, 58617), (501, 51129), (513, 49933), (621, 41249), (741, 34569), (897, 28557), (1311, 19539), (1503, 17043), (2171, 11799), (2223, 11523), (2691, 9519), (3173, 8073), (3841, 6669), (3933, 6513), (4509, 5681)]