18212175

素因数分解:

$3^3\times 5^2\times {\mathrm{26981}}^1$

素因数の和:27000

約数の個数: 24

約数和(自身を含む): 33457680

約数和(自身を除く): 15245505

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 26981, 80943, 134905, 242829, 404715, 674525, 728487, 1214145, 2023575, 3642435, 6070725, 18212175]

約数ペア:

[(1, 18212175), (3, 6070725), (5, 3642435), (9, 2023575), (15, 1214145), (25, 728487), (27, 674525), (45, 404715), (75, 242829), (135, 134905), (225, 80943), (675, 26981)]