18561917241

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{983}}^1\times {\mathrm{1553}}^1$

素因数の和:2742

約数の個数: 48

約数和(自身を含む): 30851847936

約数和(自身を除く): 12289930695

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 983, 1351, 1553, 1737, 2949, 4053, 4659, 6881, 8847, 10871, 12159, 13977, 20643, 32613, 61929, 97839, 189719, 299729, 569157, 899187, 1328033, 1526599, 1707471, 2098103, 2697561, 3984099, 4579797, 6294309, 10686193, 11952297, 13739391, 18882927, 32058579, 96175737, 294633607, 883900821, 2062435249, 2651702463, 6187305747, 18561917241]

約数ペア:

[(1, 18561917241), (3, 6187305747), (7, 2651702463), (9, 2062435249), (21, 883900821), (63, 294633607), (193, 96175737), (579, 32058579), (983, 18882927), (1351, 13739391), (1553, 11952297), (1737, 10686193), (2949, 6294309), (4053, 4579797), (4659, 3984099), (6881, 2697561), (8847, 2098103), (10871, 1707471), (12159, 1526599), (13977, 1328033), (20643, 899187), (32613, 569157), (61929, 299729), (97839, 189719)]