18250515

素因数分解:

$3^7\times 5^1\times {\mathrm{1669}}^1$

素因数の和:1695

約数の個数: 32

約数和(自身を含む): 32865600

約数和(自身を除く): 14615085

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 1669, 2187, 3645, 5007, 8345, 10935, 15021, 25035, 45063, 75105, 135189, 225315, 405567, 675945, 1216701, 2027835, 3650103, 6083505, 18250515]

約数ペア:

[(1, 18250515), (3, 6083505), (5, 3650103), (9, 2027835), (15, 1216701), (27, 675945), (45, 405567), (81, 225315), (135, 135189), (243, 75105), (405, 45063), (729, 25035), (1215, 15021), (1669, 10935), (2187, 8345), (3645, 5007)]