123943209

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2633}}^1$

素因数の和:2737

約数の個数: 32

約数和(自身を含む): 191165184

約数和(自身を除く): 67221975

約数列:

[1, 3, 13, 17, 39, 51, 71, 213, 221, 663, 923, 1207, 2633, 2769, 3621, 7899, 15691, 34229, 44761, 47073, 102687, 134283, 186943, 560829, 581893, 1745679, 2430259, 3178031, 7290777, 9534093, 41314403, 123943209]

約数ペア:

[(1, 123943209), (3, 41314403), (13, 9534093), (17, 7290777), (39, 3178031), (51, 2430259), (71, 1745679), (213, 581893), (221, 560829), (663, 186943), (923, 134283), (1207, 102687), (2633, 47073), (2769, 44761), (3621, 34229), (7899, 15691)]