283225887

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2753}}^1$

素因数の和:2860

約数の個数: 48

約数和(自身を含む): 494926848

約数和(自身を除く): 211700961

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 71, 161, 207, 213, 483, 497, 639, 1449, 1491, 1633, 2753, 4473, 4899, 8259, 11431, 14697, 19271, 24777, 34293, 57813, 63319, 102879, 173439, 189957, 195463, 443233, 569871, 586389, 1329699, 1368241, 1759167, 3989097, 4104723, 4495649, 12314169, 13486947, 31469543, 40460841, 94408629, 283225887]

約数ペア:

[(1, 283225887), (3, 94408629), (7, 40460841), (9, 31469543), (21, 13486947), (23, 12314169), (63, 4495649), (69, 4104723), (71, 3989097), (161, 1759167), (207, 1368241), (213, 1329699), (483, 586389), (497, 569871), (639, 443233), (1449, 195463), (1491, 189957), (1633, 173439), (2753, 102879), (4473, 63319), (4899, 57813), (8259, 34293), (11431, 24777), (14697, 19271)]