18305145

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3203}}^1$

素因数の和:3341

約数の個数: 24

約数和(自身を含む): 31988736

約数和(自身を除く): 13683591

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 3203, 5715, 9609, 16015, 28827, 48045, 144135, 406781, 1220343, 2033905, 3661029, 6101715, 18305145]

約数ペア:

[(1, 18305145), (3, 6101715), (5, 3661029), (9, 2033905), (15, 1220343), (45, 406781), (127, 144135), (381, 48045), (635, 28827), (1143, 16015), (1905, 9609), (3203, 5715)]