320307813

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{881}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 550368000

約数和(自身を除く): 230060187

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 199, 203, 261, 597, 609, 881, 1393, 1791, 1827, 2643, 4179, 5771, 6167, 7929, 12537, 17313, 18501, 25549, 40397, 51939, 55503, 76647, 121191, 175319, 178843, 229941, 363573, 525957, 536529, 1227233, 1577871, 1609587, 3681699, 5084251, 11045097, 15252753, 35589757, 45758259, 106769271, 320307813]

約数ペア:

[(1, 320307813), (3, 106769271), (7, 45758259), (9, 35589757), (21, 15252753), (29, 11045097), (63, 5084251), (87, 3681699), (199, 1609587), (203, 1577871), (261, 1227233), (597, 536529), (609, 525957), (881, 363573), (1393, 229941), (1791, 178843), (1827, 175319), (2643, 121191), (4179, 76647), (5771, 55503), (6167, 51939), (7929, 40397), (12537, 25549), (17313, 18501)]