72381519

素因数分解:

$3^4\times 7^1\times {\mathrm{127657}}^1$

素因数の和:127676

約数の個数: 20

約数和(自身を含む): 123572944

約数和(自身を除く): 51191425

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 127657, 382971, 893599, 1148913, 2680797, 3446739, 8042391, 10340217, 24127173, 72381519]

約数ペア:

[(1, 72381519), (3, 24127173), (7, 10340217), (9, 8042391), (21, 3446739), (27, 2680797), (63, 1148913), (81, 893599), (189, 382971), (567, 127657)]