28791531

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{1861}}^1$

素因数の和:2064

約数の個数: 20

約数和(自身を含む): 43257984

約数和(自身を除く): 14466453

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 1861, 5157, 5583, 15471, 16749, 50247, 150741, 355451, 1066353, 3199059, 9597177, 28791531]

約数ペア:

[(1, 28791531), (3, 9597177), (9, 3199059), (27, 1066353), (81, 355451), (191, 150741), (573, 50247), (1719, 16749), (1861, 15471), (5157, 5583)]