28913421

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{16363}}^1$

素因数の和:16416

約数の個数: 16

約数和(自身を含む): 41891840

約数和(自身を除く): 12978419

約数列:

[1, 3, 19, 31, 57, 93, 589, 1767, 16363, 49089, 310897, 507253, 932691, 1521759, 9637807, 28913421]

約数ペア:

[(1, 28913421), (3, 9637807), (19, 1521759), (31, 932691), (57, 507253), (93, 310897), (589, 49089), (1767, 16363)]