12856890987

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1833817}}^1$

素因数の和:1833883

約数の個数: 24

約数和(自身を含む): 20025292560

約数和(自身を除く): 7168401573

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 7011, 1833817, 5501451, 16504353, 34842523, 75186497, 104527569, 225559491, 313582707, 676678473, 1428543443, 4285630329, 12856890987]

約数ペア:

[(1, 12856890987), (3, 4285630329), (9, 1428543443), (19, 676678473), (41, 313582707), (57, 225559491), (123, 104527569), (171, 75186497), (369, 34842523), (779, 16504353), (2337, 5501451), (7011, 1833817)]