1285243491

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{123143}}^1$

素因数の和:123231

約数の個数: 24

約数和(自身を含む): 2021531904

約数和(自身を除く): 736288413

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 123143, 369429, 862001, 2586003, 6034007, 8743153, 18102021, 26229459, 61202071, 183606213, 428414497, 1285243491]

約数ペア:

[(1, 1285243491), (3, 428414497), (7, 183606213), (21, 61202071), (49, 26229459), (71, 18102021), (147, 8743153), (213, 6034007), (497, 2586003), (1491, 862001), (3479, 369429), (10437, 123143)]