18288945

素因数分解:

$3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{743}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 31801536

約数和(自身を除く): 13512591

約数列:

[1, 3, 5, 9, 15, 45, 547, 743, 1641, 2229, 2735, 3715, 4923, 6687, 8205, 11145, 24615, 33435, 406421, 1219263, 2032105, 3657789, 6096315, 18288945]

約数ペア:

[(1, 18288945), (3, 6096315), (5, 3657789), (9, 2032105), (15, 1219263), (45, 406421), (547, 33435), (743, 24615), (1641, 11145), (2229, 8205), (2735, 6687), (3715, 4923)]