729905407

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^2$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 920380032

約数和(自身を除く): 190474625

約数列:

[1, 7, 11, 77, 131, 269, 917, 1441, 1883, 2959, 10087, 20713, 35239, 72361, 246673, 387629, 506527, 795971, 2713403, 5571797, 9479291, 66355037, 104272201, 729905407]

約数ペア:

[(1, 729905407), (7, 104272201), (11, 66355037), (77, 9479291), (131, 5571797), (269, 2713403), (917, 795971), (1441, 506527), (1883, 387629), (2959, 246673), (10087, 72361), (20713, 35239)]