19975275321

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1\times {\mathrm{65957}}^1$

素因数の和:66760

約数の個数: 16

約数和(自身を含む): 26845433664

約数和(自身を除く): 6870158343

約数列:

[1, 3, 157, 471, 643, 1929, 65957, 100951, 197871, 302853, 10355249, 31065747, 42410351, 127231053, 6658425107, 19975275321]

約数ペア:

[(1, 19975275321), (3, 6658425107), (157, 127231053), (471, 42410351), (643, 31065747), (1929, 10355249), (65957, 302853), (100951, 197871)]