28880307

素因数分解:

$3^5\times {\mathrm{157}}^1\times {\mathrm{757}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 43594096

約数和(自身を除く): 14713789

約数列:

[1, 3, 9, 27, 81, 157, 243, 471, 757, 1413, 2271, 4239, 6813, 12717, 20439, 38151, 61317, 118849, 183951, 356547, 1069641, 3208923, 9626769, 28880307]

約数ペア:

[(1, 28880307), (3, 9626769), (9, 3208923), (27, 1069641), (81, 356547), (157, 183951), (243, 118849), (471, 61317), (757, 38151), (1413, 20439), (2271, 12717), (4239, 6813)]