68716767

素因数分解:

$3^1\times 7^2\times {\mathrm{643}}^1\times {\mathrm{727}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 106893696

約数和(自身を除く): 38176929

約数列:

[1, 3, 7, 21, 49, 147, 643, 727, 1929, 2181, 4501, 5089, 13503, 15267, 31507, 35623, 94521, 106869, 467461, 1402383, 3272227, 9816681, 22905589, 68716767]

約数ペア:

[(1, 68716767), (3, 22905589), (7, 9816681), (21, 3272227), (49, 1402383), (147, 467461), (643, 106869), (727, 94521), (1929, 35623), (2181, 31507), (4501, 15267), (5089, 13503)]