28171857

素因数分解:

$3^1\times 7^1\times {\mathrm{1117}}^1\times {\mathrm{1201}}^1$

素因数の和:2328

約数の個数: 16

約数和(自身を含む): 43002752

約数和(自身を除く): 14830895

約数列:

[1, 3, 7, 21, 1117, 1201, 3351, 3603, 7819, 8407, 23457, 25221, 1341517, 4024551, 9390619, 28171857]

約数ペア:

[(1, 28171857), (3, 9390619), (7, 4024551), (21, 1341517), (1117, 25221), (1201, 23457), (3351, 8407), (3603, 7819)]