12903471

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6607}}^1$

素因数の和:6651

約数の個数: 24

約数和(自身を含む): 21991424

約数和(自身を除く): 9087953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 6607, 19821, 46249, 59463, 138747, 204817, 416241, 614451, 1433719, 1843353, 4301157, 12903471]

約数ペア:

[(1, 12903471), (3, 4301157), (7, 1843353), (9, 1433719), (21, 614451), (31, 416241), (63, 204817), (93, 138747), (217, 59463), (279, 46249), (651, 19821), (1953, 6607)]