12180915

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3923}}^1$

素因数の和:3960

約数の個数: 32

約数和(自身を含む): 22602240

約数和(自身を除く): 10421325

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 3923, 11769, 19615, 35307, 58845, 90229, 105921, 176535, 270687, 451145, 529605, 812061, 1353435, 2436183, 4060305, 12180915]

約数ペア:

[(1, 12180915), (3, 4060305), (5, 2436183), (9, 1353435), (15, 812061), (23, 529605), (27, 451145), (45, 270687), (69, 176535), (115, 105921), (135, 90229), (207, 58845), (345, 35307), (621, 19615), (1035, 11769), (3105, 3923)]