12991407

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2753}}^1$

素因数の和:2791

約数の個数: 24

約数和(自身を含む): 20511792

約数和(自身を除く): 7520385

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 363, 429, 1573, 2753, 4719, 8259, 30283, 35789, 90849, 107367, 333113, 393679, 999339, 1181037, 4330469, 12991407]

約数ペア:

[(1, 12991407), (3, 4330469), (11, 1181037), (13, 999339), (33, 393679), (39, 333113), (121, 107367), (143, 90849), (363, 35789), (429, 30283), (1573, 8259), (2753, 4719)]