28493913

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25601}}^1$

素因数の和:25664

約数の個数: 16

約数和(自身を含む): 44240256

約数和(自身を除く): 15746343

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 25601, 76803, 179207, 537621, 1356853, 4070559, 9497971, 28493913]

約数ペア:

[(1, 28493913), (3, 9497971), (7, 4070559), (21, 1356853), (53, 537621), (159, 179207), (371, 76803), (1113, 25601)]