31167423

素因数分解:

$3^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 54302976

約数和(自身を除く): 23135553

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 219, 243, 251, 511, 567, 657, 753, 1533, 1701, 1757, 1971, 2259, 4599, 5271, 5913, 6777, 13797, 15813, 17739, 18323, 20331, 41391, 47439, 54969, 60993, 124173, 128261, 142317, 164907, 384783, 426951, 494721, 1154349, 1484163, 3463047, 4452489, 10389141, 31167423]

約数ペア:

[(1, 31167423), (3, 10389141), (7, 4452489), (9, 3463047), (21, 1484163), (27, 1154349), (63, 494721), (73, 426951), (81, 384783), (189, 164907), (219, 142317), (243, 128261), (251, 124173), (511, 60993), (567, 54969), (657, 47439), (753, 41391), (1533, 20331), (1701, 18323), (1757, 17739), (1971, 15813), (2259, 13797), (4599, 6777), (5271, 5913)]