312000003

素因数分解:

$3^2\times 7^3\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 529152000

約数和(自身を除く): 217151997

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 211, 343, 441, 479, 633, 1029, 1437, 1477, 1899, 3087, 3353, 4311, 4431, 10059, 10339, 13293, 23471, 30177, 31017, 70413, 72373, 93051, 101069, 164297, 211239, 217119, 303207, 492891, 651357, 707483, 909621, 1478673, 2122449, 4952381, 6367347, 14857143, 34666667, 44571429, 104000001, 312000003]

約数ペア:

[(1, 312000003), (3, 104000001), (7, 44571429), (9, 34666667), (21, 14857143), (49, 6367347), (63, 4952381), (147, 2122449), (211, 1478673), (343, 909621), (441, 707483), (479, 651357), (633, 492891), (1029, 303207), (1437, 217119), (1477, 211239), (1899, 164297), (3087, 101069), (3353, 93051), (4311, 72373), (4431, 70413), (10059, 31017), (10339, 30177), (13293, 23471)]