15721554981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1131617}}^1$

素因数の和:1132052

約数の個数: 16

約数和(自身を含む): 22922054208

約数和(自身を除く): 7200499227

約数列:

[1, 3, 11, 33, 421, 1263, 4631, 13893, 1131617, 3394851, 12447787, 37343361, 476410757, 1429232271, 5240518327, 15721554981]

約数ペア:

[(1, 15721554981), (3, 5240518327), (11, 1429232271), (33, 476410757), (421, 37343361), (1263, 12447787), (4631, 3394851), (13893, 1131617)]