123507979

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 147350016

約数和(自身を除く): 23842037

約数列:

[1, 7, 49, 71, 131, 271, 497, 917, 1897, 3479, 6419, 9301, 13279, 19241, 35501, 65107, 134687, 248507, 455749, 942809, 1739549, 2520571, 17643997, 123507979]

約数ペア:

[(1, 123507979), (7, 17643997), (49, 2520571), (71, 1739549), (131, 942809), (271, 455749), (497, 248507), (917, 134687), (1897, 65107), (3479, 35501), (6419, 19241), (9301, 13279)]