18131175

素因数分解:

$3^3\times 5^2\times {\mathrm{26861}}^1$

素因数の和:26880

約数の個数: 24

約数和(自身を含む): 33308880

約数和(自身を除く): 15177705

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 26861, 80583, 134305, 241749, 402915, 671525, 725247, 1208745, 2014575, 3626235, 6043725, 18131175]

約数ペア:

[(1, 18131175), (3, 6043725), (5, 3626235), (9, 2014575), (15, 1208745), (25, 725247), (27, 671525), (45, 402915), (75, 241749), (135, 134305), (225, 80583), (675, 26861)]