261233901

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{6959}}^1$

素因数の和:7105

約数の個数: 24

約数和(自身を含む): 390149760

約数和(自身を除く): 128915859

約数列:

[1, 3, 9, 43, 97, 129, 291, 387, 873, 4171, 6959, 12513, 20877, 37539, 62631, 299237, 675023, 897711, 2025069, 2693133, 6075207, 29025989, 87077967, 261233901]

約数ペア:

[(1, 261233901), (3, 87077967), (9, 29025989), (43, 6075207), (97, 2693133), (129, 2025069), (291, 897711), (387, 675023), (873, 299237), (4171, 62631), (6959, 37539), (12513, 20877)]