28738881

素因数分解:

$3^5\times {\mathrm{227}}^1\times {\mathrm{521}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 43321824

約数和(自身を除く): 14582943

約数列:

[1, 3, 9, 27, 81, 227, 243, 521, 681, 1563, 2043, 4689, 6129, 14067, 18387, 42201, 55161, 118267, 126603, 354801, 1064403, 3193209, 9579627, 28738881]

約数ペア:

[(1, 28738881), (3, 9579627), (9, 3193209), (27, 1064403), (81, 354801), (227, 126603), (243, 118267), (521, 55161), (681, 42201), (1563, 18387), (2043, 14067), (4689, 6129)]