320401494513

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{409197311}}^1$

素因数の和:409197349

約数の個数: 16

約数和(自身を含む): 491036774400

約数和(自身を除く): 170635279887

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 409197311, 1227591933, 3682775799, 11048327397, 11866722019, 35600166057, 106800498171, 320401494513]

約数ペア:

[(1, 320401494513), (3, 106800498171), (9, 35600166057), (27, 11866722019), (29, 11048327397), (87, 3682775799), (261, 1227591933), (783, 409197311)]