28810575

素因数分解:

$3^2\times 5^2\times {\mathrm{128047}}^1$

素因数の和:128063

約数の個数: 18

約数和(自身を含む): 51603344

約数和(自身を除く): 22792769

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 128047, 384141, 640235, 1152423, 1920705, 3201175, 5762115, 9603525, 28810575]

約数ペア:

[(1, 28810575), (3, 9603525), (5, 5762115), (9, 3201175), (15, 1920705), (25, 1152423), (45, 640235), (75, 384141), (225, 128047)]