28188573

素因数分解:

$3^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{823}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 43962048

約数和(自身を除く): 15773475

約数列:

[1, 3, 7, 21, 49, 147, 233, 699, 823, 1631, 2469, 4893, 5761, 11417, 17283, 34251, 40327, 120981, 191759, 575277, 1342313, 4026939, 9396191, 28188573]

約数ペア:

[(1, 28188573), (3, 9396191), (7, 4026939), (21, 1342313), (49, 575277), (147, 191759), (233, 120981), (699, 40327), (823, 34251), (1631, 17283), (2469, 11417), (4893, 5761)]