12491811

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 18566496

約数和(自身を除く): 6074685

約数列:

[1, 3, 9, 71, 113, 173, 213, 339, 519, 639, 1017, 1557, 8023, 12283, 19549, 24069, 36849, 58647, 72207, 110547, 175941, 1387979, 4163937, 12491811]

約数ペア:

[(1, 12491811), (3, 4163937), (9, 1387979), (71, 175941), (113, 110547), (173, 72207), (213, 58647), (339, 36849), (519, 24069), (639, 19549), (1017, 12283), (1557, 8023)]