7147215

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2237}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 12568608

約数和(自身を除く): 5421393

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 2237, 3195, 6711, 11185, 20133, 33555, 100665, 158827, 476481, 794135, 1429443, 2382405, 7147215]

約数ペア:

[(1, 7147215), (3, 2382405), (5, 1429443), (9, 794135), (15, 476481), (45, 158827), (71, 100665), (213, 33555), (355, 20133), (639, 11185), (1065, 6711), (2237, 3195)]