212906967

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{779879}}^1$

素因数の和:779902

約数の個数: 16

約数和(自身を含む): 349386240

約数和(自身を除く): 136479273

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 779879, 2339637, 5459153, 10138427, 16377459, 30415281, 70968989, 212906967]

約数ペア:

[(1, 212906967), (3, 70968989), (7, 30415281), (13, 16377459), (21, 10138427), (39, 5459153), (91, 2339637), (273, 779879)]