81686943909

素因数分解:

$3^6\times {\mathrm{5647}}^1\times {\mathrm{19843}}^1$

素因数の和:25508

約数の個数: 28

約数和(自身を含む): 122502250816

約数和(自身を除く): 40815306907

約数列:

[1, 3, 9, 27, 81, 243, 729, 5647, 16941, 19843, 50823, 59529, 152469, 178587, 457407, 535761, 1372221, 1607283, 4116663, 4821849, 14465547, 112053421, 336160263, 1008480789, 3025442367, 9076327101, 27228981303, 81686943909]

約数ペア:

[(1, 81686943909), (3, 27228981303), (9, 9076327101), (27, 3025442367), (81, 1008480789), (243, 336160263), (729, 112053421), (5647, 14465547), (16941, 4821849), (19843, 4116663), (50823, 1607283), (59529, 1372221), (152469, 535761), (178587, 457407)]