28778079

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4133}}^1$

素因数の和:4358

約数の個数: 16

約数和(自身を含む): 42067584

約数和(自身を除く): 13289505

約数列:

[1, 3, 11, 33, 211, 633, 2321, 4133, 6963, 12399, 45463, 136389, 872063, 2616189, 9592693, 28778079]

約数ペア:

[(1, 28778079), (3, 9592693), (11, 2616189), (33, 872063), (211, 136389), (633, 45463), (2321, 12399), (4133, 6963)]