1320221931

素因数分解:

$3^1\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{47591}}^1$

素因数の和:48922

約数の個数: 16

約数和(自身を含む): 2013331968

約数和(自身を除く): 693110037

約数列:

[1, 3, 7, 21, 1321, 3963, 9247, 27741, 47591, 142773, 333137, 999411, 62867711, 188603133, 440073977, 1320221931]

約数ペア:

[(1, 1320221931), (3, 440073977), (7, 188603133), (21, 62867711), (1321, 999411), (3963, 333137), (9247, 142773), (27741, 47591)]