28865547

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 42681600

約数和(自身を除く): 13816053

約数列:

[1, 3, 9, 71, 199, 213, 227, 597, 639, 681, 1791, 2043, 14129, 16117, 42387, 45173, 48351, 127161, 135519, 145053, 406557, 3207283, 9621849, 28865547]

約数ペア:

[(1, 28865547), (3, 9621849), (9, 3207283), (71, 406557), (199, 145053), (213, 135519), (227, 127161), (597, 48351), (639, 45173), (681, 42387), (1791, 16117), (2043, 14129)]