81037575

素因数分解:

$3^2\times 5^2\times {\mathrm{360167}}^1$

素因数の和:360183

約数の個数: 18

約数和(自身を含む): 145147704

約数和(自身を除く): 64110129

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 360167, 1080501, 1800835, 3241503, 5402505, 9004175, 16207515, 27012525, 81037575]

約数ペア:

[(1, 81037575), (3, 27012525), (5, 16207515), (9, 9004175), (15, 5402505), (25, 3241503), (45, 1800835), (75, 1080501), (225, 360167)]