2456643

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 4055040

約数和(自身を除く): 1598397

約数列:

[1, 3, 7, 19, 21, 47, 57, 131, 133, 141, 329, 393, 399, 893, 917, 987, 2489, 2679, 2751, 6157, 6251, 7467, 17423, 18471, 18753, 43099, 52269, 116983, 129297, 350949, 818881, 2456643]

約数ペア:

[(1, 2456643), (3, 818881), (7, 350949), (19, 129297), (21, 116983), (47, 52269), (57, 43099), (131, 18753), (133, 18471), (141, 17423), (329, 7467), (393, 6251), (399, 6157), (893, 2751), (917, 2679), (987, 2489)]