27523505

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 35997696

約数和(自身を除く): 8474191

約数列:

[1, 5, 31, 41, 61, 71, 155, 205, 305, 355, 1271, 1891, 2201, 2501, 2911, 4331, 6355, 9455, 11005, 12505, 14555, 21655, 77531, 90241, 134261, 177571, 387655, 451205, 671305, 887855, 5504701, 27523505]

約数ペア:

[(1, 27523505), (5, 5504701), (31, 887855), (41, 671305), (61, 451205), (71, 387655), (155, 177571), (205, 134261), (305, 90241), (355, 77531), (1271, 21655), (1891, 14555), (2201, 12505), (2501, 11005), (2911, 9455), (4331, 6355)]