31291821

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4001}}^1$

素因数の和:4097

約数の個数: 24

約数和(自身を含む): 49944960

約数和(自身を除く): 18653139

約数列:

[1, 3, 9, 11, 33, 79, 99, 237, 711, 869, 2607, 4001, 7821, 12003, 36009, 44011, 132033, 316079, 396099, 948237, 2844711, 3476869, 10430607, 31291821]

約数ペア:

[(1, 31291821), (3, 10430607), (9, 3476869), (11, 2844711), (33, 948237), (79, 396099), (99, 316079), (237, 132033), (711, 44011), (869, 36009), (2607, 12003), (4001, 7821)]