13118781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 20418048

約数和(自身を除く): 7299267

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 221, 421, 611, 663, 799, 1263, 1833, 2397, 5473, 7157, 10387, 16419, 19787, 21471, 31161, 59361, 93041, 257231, 279123, 336379, 771693, 1009137, 4372927, 13118781]

約数ペア:

[(1, 13118781), (3, 4372927), (13, 1009137), (17, 771693), (39, 336379), (47, 279123), (51, 257231), (141, 93041), (221, 59361), (421, 31161), (611, 21471), (663, 19787), (799, 16419), (1263, 10387), (1833, 7157), (2397, 5473)]