51891441

素因数分解:

$3^1\times 7^3\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 81408000

約数和(自身を除く): 29516559

約数列:

[1, 3, 7, 21, 49, 147, 211, 239, 343, 633, 717, 1029, 1477, 1673, 4431, 5019, 10339, 11711, 31017, 35133, 50429, 72373, 81977, 151287, 217119, 245931, 353003, 1059009, 2471021, 7413063, 17297147, 51891441]

約数ペア:

[(1, 51891441), (3, 17297147), (7, 7413063), (21, 2471021), (49, 1059009), (147, 353003), (211, 245931), (239, 217119), (343, 151287), (633, 81977), (717, 72373), (1029, 50429), (1477, 35133), (1673, 31017), (4431, 11711), (5019, 10339)]