25756857

素因数分解:

$3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1051}}^1$

素因数の和:1453

約数の個数: 24

約数和(自身を含む): 42669120

約数和(自身を除く): 16912263

約数列:

[1, 3, 7, 9, 21, 63, 389, 1051, 1167, 2723, 3153, 3501, 7357, 8169, 9459, 22071, 24507, 66213, 408839, 1226517, 2861873, 3679551, 8585619, 25756857]

約数ペア:

[(1, 25756857), (3, 8585619), (7, 3679551), (9, 2861873), (21, 1226517), (63, 408839), (389, 66213), (1051, 24507), (1167, 22071), (2723, 9459), (3153, 8169), (3501, 7357)]