28080375

素因数分解:

$3^1\times 5^3\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 47244288

約数和(自身を除く): 19163913

約数列:

[1, 3, 5, 15, 25, 75, 103, 125, 309, 375, 515, 727, 1545, 2181, 2575, 3635, 7725, 10905, 12875, 18175, 38625, 54525, 74881, 90875, 224643, 272625, 374405, 1123215, 1872025, 5616075, 9360125, 28080375]

約数ペア:

[(1, 28080375), (3, 9360125), (5, 5616075), (15, 1872025), (25, 1123215), (75, 374405), (103, 272625), (125, 224643), (309, 90875), (375, 74881), (515, 54525), (727, 38625), (1545, 18175), (2181, 12875), (2575, 10905), (3635, 7725)]