25758075

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 51002688

約数和(自身を除く): 25244613

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 49, 75, 105, 129, 147, 163, 175, 215, 245, 301, 489, 525, 645, 735, 815, 903, 1075, 1141, 1225, 1505, 2107, 2445, 3225, 3423, 3675, 4075, 4515, 5705, 6321, 7009, 7525, 7987, 10535, 12225, 17115, 21027, 22575, 23961, 28525, 31605, 35045, 39935, 49063, 52675, 85575, 105135, 119805, 147189, 158025, 175225, 199675, 245315, 343441, 525675, 599025, 735945, 1030323, 1226575, 1717205, 3679725, 5151615, 8586025, 25758075]

約数ペア:

[(1, 25758075), (3, 8586025), (5, 5151615), (7, 3679725), (15, 1717205), (21, 1226575), (25, 1030323), (35, 735945), (43, 599025), (49, 525675), (75, 343441), (105, 245315), (129, 199675), (147, 175225), (163, 158025), (175, 147189), (215, 119805), (245, 105135), (301, 85575), (489, 52675), (525, 49063), (645, 39935), (735, 35045), (815, 31605), (903, 28525), (1075, 23961), (1141, 22575), (1225, 21027), (1505, 17115), (2107, 12225), (2445, 10535), (3225, 7987), (3423, 7525), (3675, 7009), (4075, 6321), (4515, 5705)]