31875669

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 55411200

約数和(自身を除く): 23535531

約数列:

[1, 3, 7, 9, 21, 29, 63, 73, 87, 203, 219, 239, 261, 511, 609, 657, 717, 1533, 1673, 1827, 2117, 2151, 4599, 5019, 6351, 6931, 14819, 15057, 17447, 19053, 20793, 44457, 48517, 52341, 62379, 122129, 133371, 145551, 157023, 366387, 436653, 505963, 1099161, 1517889, 3541741, 4553667, 10625223, 31875669]

約数ペア:

[(1, 31875669), (3, 10625223), (7, 4553667), (9, 3541741), (21, 1517889), (29, 1099161), (63, 505963), (73, 436653), (87, 366387), (203, 157023), (219, 145551), (239, 133371), (261, 122129), (511, 62379), (609, 52341), (657, 48517), (717, 44457), (1533, 20793), (1673, 19053), (1827, 17447), (2117, 15057), (2151, 14819), (4599, 6931), (5019, 6351)]