17920239

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1637}}^1$

素因数の和:1770

約数の個数: 16

約数和(自身を含む): 24766560

約数和(自身を除く): 6846321

約数列:

[1, 3, 41, 89, 123, 267, 1637, 3649, 4911, 10947, 67117, 145693, 201351, 437079, 5973413, 17920239]

約数ペア:

[(1, 17920239), (3, 5973413), (41, 437079), (89, 201351), (123, 145693), (267, 67117), (1637, 10947), (3649, 4911)]