421252713

素因数分解:

$3^2\times 7^1\times {\mathrm{1559}}^1\times {\mathrm{4289}}^1$

素因数の和:5861

約数の個数: 24

約数和(自身を含む): 696009600

約数和(自身を除く): 274756887

約数列:

[1, 3, 7, 9, 21, 63, 1559, 4289, 4677, 10913, 12867, 14031, 30023, 32739, 38601, 90069, 98217, 270207, 6686551, 20059653, 46805857, 60178959, 140417571, 421252713]

約数ペア:

[(1, 421252713), (3, 140417571), (7, 60178959), (9, 46805857), (21, 20059653), (63, 6686551), (1559, 270207), (4289, 98217), (4677, 90069), (10913, 38601), (12867, 32739), (14031, 30023)]