180018945

素因数分解:

$3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{17623}}^1$

素因数の和:17861

約数の個数: 24

約数和(自身を含む): 313425216

約数和(自身を除く): 133406271

約数列:

[1, 3, 5, 9, 15, 45, 227, 681, 1135, 2043, 3405, 10215, 17623, 52869, 88115, 158607, 264345, 793035, 4000421, 12001263, 20002105, 36003789, 60006315, 180018945]

約数ペア:

[(1, 180018945), (3, 60006315), (5, 36003789), (9, 20002105), (15, 12001263), (45, 4000421), (227, 793035), (681, 264345), (1135, 158607), (2043, 88115), (3405, 52869), (10215, 17623)]