28707435

素因数分解:

$3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1777}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 49926240

約数和(自身を除く): 21218805

約数列:

[1, 3, 5, 9, 15, 45, 359, 1077, 1777, 1795, 3231, 5331, 5385, 8885, 15993, 16155, 26655, 79965, 637943, 1913829, 3189715, 5741487, 9569145, 28707435]

約数ペア:

[(1, 28707435), (3, 9569145), (5, 5741487), (9, 3189715), (15, 1913829), (45, 637943), (359, 79965), (1077, 26655), (1777, 16155), (1795, 15993), (3231, 8885), (5331, 5385)]