243329913

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{11689}}^1$

素因数の和:11958

約数の個数: 20

約数和(自身を含む): 364938420

約数和(自身を除く): 121608507

約数列:

[1, 3, 9, 27, 81, 257, 771, 2313, 6939, 11689, 20817, 35067, 105201, 315603, 946809, 3004073, 9012219, 27036657, 81109971, 243329913]

約数ペア:

[(1, 243329913), (3, 81109971), (9, 27036657), (27, 9012219), (81, 3004073), (257, 946809), (771, 315603), (2313, 105201), (6939, 35067), (11689, 20817)]