81623619

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:622

約数の個数: 80

約数和(自身を含む): 158906880

約数和(自身を除く): 77283261

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 81, 99, 161, 189, 207, 231, 253, 297, 483, 567, 569, 621, 693, 759, 891, 1449, 1707, 1771, 1863, 2079, 2277, 3983, 4347, 5121, 5313, 6237, 6259, 6831, 11949, 13041, 13087, 15363, 15939, 18777, 20493, 35847, 39261, 43813, 46089, 47817, 56331, 91609, 107541, 117783, 131439, 143451, 143957, 168993, 274827, 322623, 353349, 394317, 431871, 506979, 824481, 1007699, 1060047, 1182951, 1295613, 2473443, 3023097, 3548853, 3886839, 7420329, 9069291, 11660517, 27207873, 81623619]

約数ペア:

[(1, 81623619), (3, 27207873), (7, 11660517), (9, 9069291), (11, 7420329), (21, 3886839), (23, 3548853), (27, 3023097), (33, 2473443), (63, 1295613), (69, 1182951), (77, 1060047), (81, 1007699), (99, 824481), (161, 506979), (189, 431871), (207, 394317), (231, 353349), (253, 322623), (297, 274827), (483, 168993), (567, 143957), (569, 143451), (621, 131439), (693, 117783), (759, 107541), (891, 91609), (1449, 56331), (1707, 47817), (1771, 46089), (1863, 43813), (2079, 39261), (2277, 35847), (3983, 20493), (4347, 18777), (5121, 15939), (5313, 15363), (6237, 13087), (6259, 13041), (6831, 11949)]