42686847

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{39857}}^1$

素因数の和:39887

約数の個数: 24

約数和(自身を含む): 74614176

約数和(自身を除く): 31927329

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 39857, 119571, 278999, 358713, 677569, 836997, 2032707, 2510991, 4742983, 6098121, 14228949, 42686847]

約数ペア:

[(1, 42686847), (3, 14228949), (7, 6098121), (9, 4742983), (17, 2510991), (21, 2032707), (51, 836997), (63, 677569), (119, 358713), (153, 278999), (357, 119571), (1071, 39857)]