320428467

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{55717}}^1$

素因数の和:55800

約数の個数: 20

約数和(自身を含む): 485415216

約数和(自身を除く): 164986749

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 55717, 167151, 501453, 1504359, 3955907, 4513077, 11867721, 35603163, 106809489, 320428467]

約数ペア:

[(1, 320428467), (3, 106809489), (9, 35603163), (27, 11867721), (71, 4513077), (81, 3955907), (213, 1504359), (639, 501453), (1917, 167151), (5751, 55717)]