16415721

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11329}}^1$

素因数の和:11365

約数の個数: 24

約数和(自身を含む): 28279680

約数和(自身を除く): 11863959

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 11329, 33987, 79303, 101961, 237909, 260567, 713727, 781701, 1823969, 2345103, 5471907, 16415721]

約数ペア:

[(1, 16415721), (3, 5471907), (7, 2345103), (9, 1823969), (21, 781701), (23, 713727), (63, 260567), (69, 237909), (161, 101961), (207, 79303), (483, 33987), (1449, 11329)]