320427747

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{20333}}^1$

素因数の和:20459

約数の個数: 24

約数和(自身を含む): 494848224

約数和(自身を除く): 174420477

約数列:

[1, 3, 9, 17, 51, 103, 153, 309, 927, 1751, 5253, 15759, 20333, 60999, 182997, 345661, 1036983, 2094299, 3110949, 6282897, 18848691, 35603083, 106809249, 320427747]

約数ペア:

[(1, 320427747), (3, 106809249), (9, 35603083), (17, 18848691), (51, 6282897), (103, 3110949), (153, 2094299), (309, 1036983), (927, 345661), (1751, 182997), (5253, 60999), (15759, 20333)]