201821787

素因数分解:

$3^4\times {\mathrm{281}}^1\times {\mathrm{8867}}^1$

素因数の和:9160

約数の個数: 20

約数和(自身を含む): 302593896

約数和(自身を除く): 100772109

約数列:

[1, 3, 9, 27, 81, 281, 843, 2529, 7587, 8867, 22761, 26601, 79803, 239409, 718227, 2491627, 7474881, 22424643, 67273929, 201821787]

約数ペア:

[(1, 201821787), (3, 67273929), (9, 22424643), (27, 7474881), (81, 2491627), (281, 718227), (843, 239409), (2529, 79803), (7587, 26601), (8867, 22761)]