17963127777

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 28040822784

約数和(自身を除く): 10077695007

約数列:

[1, 3, 7, 21, 127, 137, 211, 233, 381, 411, 633, 699, 889, 959, 1477, 1631, 2667, 2877, 4431, 4893, 17399, 26797, 28907, 29591, 31921, 49163, 52197, 80391, 86721, 88773, 95763, 121793, 147489, 187579, 202349, 207137, 223447, 344141, 365379, 562737, 607047, 621411, 670341, 1032423, 3671189, 4053967, 6243701, 6735331, 11013567, 12161901, 18731103, 20205993, 25698323, 28377769, 43705907, 47147317, 77094969, 85133307, 131117721, 141441951, 855387037, 2566161111, 5987709259, 17963127777]

約数ペア:

[(1, 17963127777), (3, 5987709259), (7, 2566161111), (21, 855387037), (127, 141441951), (137, 131117721), (211, 85133307), (233, 77094969), (381, 47147317), (411, 43705907), (633, 28377769), (699, 25698323), (889, 20205993), (959, 18731103), (1477, 12161901), (1631, 11013567), (2667, 6735331), (2877, 6243701), (4431, 4053967), (4893, 3671189), (17399, 1032423), (26797, 670341), (28907, 621411), (29591, 607047), (31921, 562737), (49163, 365379), (52197, 344141), (80391, 223447), (86721, 207137), (88773, 202349), (95763, 187579), (121793, 147489)]