172721967

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{1607}}^1\times {\mathrm{3257}}^1$

素因数の和:4878

約数の個数: 16

約数和(自身を含む): 251465472

約数和(自身を除く): 78743505

約数列:

[1, 3, 11, 33, 1607, 3257, 4821, 9771, 17677, 35827, 53031, 107481, 5233999, 15701997, 57573989, 172721967]

約数ペア:

[(1, 172721967), (3, 57573989), (11, 15701997), (33, 5233999), (1607, 107481), (3257, 53031), (4821, 35827), (9771, 17677)]