28292943

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{977}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 44150832

約数和(自身を除く): 15857889

約数列:

[1, 3, 7, 21, 49, 147, 197, 591, 977, 1379, 2931, 4137, 6839, 9653, 20517, 28959, 47873, 143619, 192469, 577407, 1347283, 4041849, 9430981, 28292943]

約数ペア:

[(1, 28292943), (3, 9430981), (7, 4041849), (21, 1347283), (49, 577407), (147, 192469), (197, 143619), (591, 47873), (977, 28959), (1379, 20517), (2931, 9653), (4137, 6839)]