81971297961

素因数分解:

$3^1\times 7^1\times {\mathrm{1181}}^1\times {\mathrm{1759}}^1\times {\mathrm{1879}}^1$

素因数の和:4829

約数の個数: 32

約数和(自身を含む): 125152051200

約数和(自身を除く): 43180753239

約数列:

[1, 3, 7, 21, 1181, 1759, 1879, 3543, 5277, 5637, 8267, 12313, 13153, 24801, 36939, 39459, 2077379, 2219099, 3305161, 6232137, 6657297, 9915483, 14541653, 15533693, 23136127, 43624959, 46601079, 69408381, 3903395141, 11710185423, 27323765987, 81971297961]

約数ペア:

[(1, 81971297961), (3, 27323765987), (7, 11710185423), (21, 3903395141), (1181, 69408381), (1759, 46601079), (1879, 43624959), (3543, 23136127), (5277, 15533693), (5637, 14541653), (8267, 9915483), (12313, 6657297), (13153, 6232137), (24801, 3305161), (36939, 2219099), (39459, 2077379)]