28500825

素因数分解:

$3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1801}}^1$

素因数の和:2025

約数の個数: 24

約数和(自身を含む): 47370976

約数和(自身を除く): 18870151

約数列:

[1, 3, 5, 15, 25, 75, 211, 633, 1055, 1801, 3165, 5275, 5403, 9005, 15825, 27015, 45025, 135075, 380011, 1140033, 1900055, 5700165, 9500275, 28500825]

約数ペア:

[(1, 28500825), (3, 9500275), (5, 5700165), (15, 1900055), (25, 1140033), (75, 380011), (211, 135075), (633, 45025), (1055, 27015), (1801, 15825), (3165, 9005), (5275, 5403)]