1218357

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 2044224

約数和(自身を除く): 825867

約数列:

[1, 3, 7, 9, 21, 63, 83, 233, 249, 581, 699, 747, 1631, 1743, 2097, 4893, 5229, 14679, 19339, 58017, 135373, 174051, 406119, 1218357]

約数ペア:

[(1, 1218357), (3, 406119), (7, 174051), (9, 135373), (21, 58017), (63, 19339), (83, 14679), (233, 5229), (249, 4893), (581, 2097), (699, 1743), (747, 1631)]