28662753

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{997}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 44933952

約数和(自身を除く): 16271199

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 997, 1369, 2991, 4107, 6979, 9583, 20937, 28749, 36889, 110667, 258223, 774669, 1364893, 4094679, 9554251, 28662753]

約数ペア:

[(1, 28662753), (3, 9554251), (7, 4094679), (21, 1364893), (37, 774669), (111, 258223), (259, 110667), (777, 36889), (997, 28749), (1369, 20937), (2991, 9583), (4107, 6979)]