320163813

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{2221}}^1$

素因数の和:2530

約数の個数: 32

約数和(自身を含む): 501283200

約数和(自身を除く): 181119387

約数列:

[1, 3, 9, 19, 27, 57, 171, 281, 513, 843, 2221, 2529, 5339, 6663, 7587, 16017, 19989, 42199, 48051, 59967, 126597, 144153, 379791, 624101, 1139373, 1872303, 5616909, 11857919, 16850727, 35573757, 106721271, 320163813]

約数ペア:

[(1, 320163813), (3, 106721271), (9, 35573757), (19, 16850727), (27, 11857919), (57, 5616909), (171, 1872303), (281, 1139373), (513, 624101), (843, 379791), (2221, 144153), (2529, 126597), (5339, 59967), (6663, 48051), (7587, 42199), (16017, 19989)]