331336887

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 544456704

約数和(自身を除く): 213119817

約数列:

[1, 3, 7, 21, 37, 43, 47, 111, 129, 141, 211, 259, 301, 329, 633, 777, 903, 987, 1477, 1591, 1739, 2021, 4431, 4773, 5217, 6063, 7807, 9073, 9917, 11137, 12173, 14147, 23421, 27219, 29751, 33411, 36519, 42441, 54649, 63511, 69419, 74777, 163947, 190533, 208257, 224331, 335701, 366929, 426431, 523439, 1007103, 1100787, 1279293, 1570317, 2349907, 2568503, 2985017, 7049721, 7705509, 8955051, 15777947, 47333841, 110445629, 331336887]

約数ペア:

[(1, 331336887), (3, 110445629), (7, 47333841), (21, 15777947), (37, 8955051), (43, 7705509), (47, 7049721), (111, 2985017), (129, 2568503), (141, 2349907), (211, 1570317), (259, 1279293), (301, 1100787), (329, 1007103), (633, 523439), (777, 426431), (903, 366929), (987, 335701), (1477, 224331), (1591, 208257), (1739, 190533), (2021, 163947), (4431, 74777), (4773, 69419), (5217, 63511), (6063, 54649), (7807, 42441), (9073, 36519), (9917, 33411), (11137, 29751), (12173, 27219), (14147, 23421)]