71881383

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{2029}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 112007280

約数和(自身を除く): 40125897

約数列:

[1, 3, 7, 21, 49, 147, 241, 723, 1687, 2029, 5061, 6087, 11809, 14203, 35427, 42609, 99421, 298263, 488989, 1466967, 3422923, 10268769, 23960461, 71881383]

約数ペア:

[(1, 71881383), (3, 23960461), (7, 10268769), (21, 3422923), (49, 1466967), (147, 488989), (241, 298263), (723, 99421), (1687, 42609), (2029, 35427), (5061, 14203), (6087, 11809)]