218916507

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{77383}}^1$

素因数の和:77450

約数の個数: 16

約数和(自身を含む): 312012288

約数和(自身を除く): 93095781

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 77383, 232149, 1779809, 3172703, 5339427, 9518109, 72972169, 218916507]

約数ペア:

[(1, 218916507), (3, 72972169), (23, 9518109), (41, 5339427), (69, 3172703), (123, 1779809), (943, 232149), (2829, 77383)]