266772639

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{13219}}^1$

素因数の和:13291

約数の個数: 24

約数和(自身を含む): 420078720

約数和(自身を除く): 153306081

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 961, 2883, 6727, 13219, 20181, 39657, 92533, 277599, 409789, 1229367, 2868523, 8605569, 12703459, 38110377, 88924213, 266772639]

約数ペア:

[(1, 266772639), (3, 88924213), (7, 38110377), (21, 12703459), (31, 8605569), (93, 2868523), (217, 1229367), (651, 409789), (961, 277599), (2883, 92533), (6727, 39657), (13219, 20181)]