16440291

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4423}}^1$

素因数の和:4495

約数の個数: 24

約数和(自身を含む): 27605760

約数和(自身を除く): 11165469

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 4423, 13269, 30961, 39807, 92883, 260957, 278649, 782871, 1826699, 2348613, 5480097, 16440291]

約数ペア:

[(1, 16440291), (3, 5480097), (7, 2348613), (9, 1826699), (21, 782871), (59, 278649), (63, 260957), (177, 92883), (413, 39807), (531, 30961), (1239, 13269), (3717, 4423)]