12019905

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2039}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 21003840

約数和(自身を除く): 8983935

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 2039, 5895, 6117, 10195, 18351, 30585, 91755, 267109, 801327, 1335545, 2403981, 4006635, 12019905]

約数ペア:

[(1, 12019905), (3, 4006635), (5, 2403981), (9, 1335545), (15, 801327), (45, 267109), (131, 91755), (393, 30585), (655, 18351), (1179, 10195), (1965, 6117), (2039, 5895)]