123420753

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{3917}}^1$

素因数の和:4318

約数の個数: 20

約数和(自身を含む): 184890420

約数和(自身を除く): 61469667

約数列:

[1, 3, 9, 27, 81, 389, 1167, 3501, 3917, 10503, 11751, 31509, 35253, 105759, 317277, 1523713, 4571139, 13713417, 41140251, 123420753]

約数ペア:

[(1, 123420753), (3, 41140251), (9, 13713417), (27, 4571139), (81, 1523713), (389, 317277), (1167, 105759), (3501, 35253), (3917, 31509), (10503, 11751)]