157210227

素因数分解:

$3^4\times {\mathrm{281}}^1\times {\mathrm{6907}}^1$

素因数の和:7200

約数の個数: 20

約数和(自身を含む): 235714776

約数和(自身を除く): 78504549

約数列:

[1, 3, 9, 27, 81, 281, 843, 2529, 6907, 7587, 20721, 22761, 62163, 186489, 559467, 1940867, 5822601, 17467803, 52403409, 157210227]

約数ペア:

[(1, 157210227), (3, 52403409), (9, 17467803), (27, 5822601), (81, 1940867), (281, 559467), (843, 186489), (2529, 62163), (6907, 22761), (7587, 20721)]