1553139

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 2602080

約数和(自身を除く): 1048941

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 277, 623, 801, 831, 1869, 1939, 2493, 5607, 5817, 17451, 24653, 73959, 172571, 221877, 517713, 1553139]

約数ペア:

[(1, 1553139), (3, 517713), (7, 221877), (9, 172571), (21, 73959), (63, 24653), (89, 17451), (267, 5817), (277, 5607), (623, 2493), (801, 1939), (831, 1869)]