18181125

素因数分解:

$3^3\times 5^3\times {\mathrm{5387}}^1$

素因数の和:5411

約数の個数: 32

約数和(自身を含む): 33621120

約数和(自身を除く): 15439995

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 5387, 16161, 26935, 48483, 80805, 134675, 145449, 242415, 404025, 673375, 727245, 1212075, 2020125, 3636225, 6060375, 18181125]

約数ペア:

[(1, 18181125), (3, 6060375), (5, 3636225), (9, 2020125), (15, 1212075), (25, 727245), (27, 673375), (45, 404025), (75, 242415), (125, 145449), (135, 134675), (225, 80805), (375, 48483), (675, 26935), (1125, 16161), (3375, 5387)]