13665915

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:881

約数の個数: 40

約数和(自身を含む): 25125408

約数和(自身を除く): 11459493

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 823, 1107, 1845, 2469, 3321, 4115, 5535, 7407, 12345, 16605, 22221, 33743, 37035, 66663, 101229, 111105, 168715, 303687, 333315, 506145, 911061, 1518435, 2733183, 4555305, 13665915]

約数ペア:

[(1, 13665915), (3, 4555305), (5, 2733183), (9, 1518435), (15, 911061), (27, 506145), (41, 333315), (45, 303687), (81, 168715), (123, 111105), (135, 101229), (205, 66663), (369, 37035), (405, 33743), (615, 22221), (823, 16605), (1107, 12345), (1845, 7407), (2469, 5535), (3321, 4115)]