20151723

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 29836800

約数和(自身を除く): 9685077

約数列:

[1, 3, 19, 29, 57, 73, 87, 167, 219, 501, 551, 1387, 1653, 2117, 3173, 4161, 4843, 6351, 9519, 12191, 14529, 36573, 40223, 92017, 120669, 231629, 276051, 353539, 694887, 1060617, 6717241, 20151723]

約数ペア:

[(1, 20151723), (3, 6717241), (19, 1060617), (29, 694887), (57, 353539), (73, 276051), (87, 231629), (167, 120669), (219, 92017), (501, 40223), (551, 36573), (1387, 14529), (1653, 12191), (2117, 9519), (3173, 6351), (4161, 4843)]