28270791

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{947}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 42591744

約数和(自身を除く): 14320953

約数列:

[1, 3, 9, 31, 93, 107, 279, 321, 947, 963, 2841, 3317, 8523, 9951, 29357, 29853, 88071, 101329, 264213, 303987, 911961, 3141199, 9423597, 28270791]

約数ペア:

[(1, 28270791), (3, 9423597), (9, 3141199), (31, 911961), (93, 303987), (107, 264213), (279, 101329), (321, 88071), (947, 29853), (963, 29357), (2841, 9951), (3317, 8523)]