28439997

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{7639}}^1$

素因数の和:7732

約数の個数: 16

約数和(自身を含む): 40705920

約数和(自身を除く): 12265923

約数列:

[1, 3, 17, 51, 73, 219, 1241, 3723, 7639, 22917, 129863, 389589, 557647, 1672941, 9479999, 28439997]

約数ペア:

[(1, 28439997), (3, 9479999), (17, 1672941), (51, 557647), (73, 389589), (219, 129863), (1241, 22917), (3723, 7639)]