161181993

素因数分解:

$3^1\times 7^1\times {\mathrm{2377}}^1\times {\mathrm{3229}}^1$

素因数の和:5616

約数の個数: 16

約数和(自身を含む): 245790080

約数和(自身を除く): 84608087

約数列:

[1, 3, 7, 21, 2377, 3229, 7131, 9687, 16639, 22603, 49917, 67809, 7675333, 23025999, 53727331, 161181993]

約数ペア:

[(1, 161181993), (3, 53727331), (7, 23025999), (21, 7675333), (2377, 67809), (3229, 49917), (7131, 22603), (9687, 16639)]