393236481

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{727}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 589575168

約数和(自身を除く): 196338687

約数列:

[1, 3, 11, 33, 37, 111, 407, 443, 727, 1221, 1329, 2181, 4873, 7997, 14619, 16391, 23991, 26899, 49173, 80697, 180301, 295889, 322061, 540903, 887667, 966183, 3542671, 10628013, 11916257, 35748771, 131078827, 393236481]

約数ペア:

[(1, 393236481), (3, 131078827), (11, 35748771), (33, 11916257), (37, 10628013), (111, 3542671), (407, 966183), (443, 887667), (727, 540903), (1221, 322061), (1329, 295889), (2181, 180301), (4873, 80697), (7997, 49173), (14619, 26899), (16391, 23991)]