40005999

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4001}}^1$

素因数の和:4119

約数の個数: 24

約数和(自身を含む): 63679824

約数和(自身を除く): 23673825

約数列:

[1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 3333, 4001, 9999, 12003, 36009, 44011, 132033, 396099, 404101, 1212303, 3636909, 4445111, 13335333, 40005999]

約数ペア:

[(1, 40005999), (3, 13335333), (9, 4445111), (11, 3636909), (33, 1212303), (99, 404101), (101, 396099), (303, 132033), (909, 44011), (1111, 36009), (3333, 12003), (4001, 9999)]