31331853

素因数分解:

$3^4\times 7^1\times {\mathrm{55259}}^1$

素因数の和:55278

約数の個数: 20

約数和(自身を含む): 53491680

約数和(自身を除く): 22159827

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 55259, 165777, 386813, 497331, 1160439, 1491993, 3481317, 4475979, 10443951, 31331853]

約数ペア:

[(1, 31331853), (3, 10443951), (7, 4475979), (9, 3481317), (21, 1491993), (27, 1160439), (63, 497331), (81, 386813), (189, 165777), (567, 55259)]