51240357

素因数分解:

$3^4\times 7^1\times {\mathrm{90371}}^1$

素因数の和:90390

約数の個数: 20

約数和(自身を含む): 87480096

約数和(自身を除く): 36239739

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 90371, 271113, 632597, 813339, 1897791, 2440017, 5693373, 7320051, 17080119, 51240357]

約数ペア:

[(1, 51240357), (3, 17080119), (7, 7320051), (9, 5693373), (21, 2440017), (27, 1897791), (63, 813339), (81, 632597), (189, 271113), (567, 90371)]