2080661121

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{821}}^1$

素因数の和:924

約数の個数: 128

約数和(自身を含む): 4090798080

約数和(自身を除く): 2010136959

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 53, 63, 69, 77, 99, 159, 161, 189, 207, 231, 253, 297, 371, 477, 483, 583, 621, 693, 759, 821, 1113, 1219, 1431, 1449, 1749, 1771, 2079, 2277, 2463, 3339, 3657, 4081, 4347, 5247, 5313, 5747, 6831, 7389, 8533, 9031, 10017, 10971, 12243, 13409, 15741, 15939, 17241, 18883, 22167, 25599, 27093, 32913, 36729, 40227, 43513, 47817, 51723, 56649, 63217, 76797, 81279, 93863, 110187, 120681, 130539, 132181, 155169, 169947, 189651, 207713, 230391, 243837, 281589, 304591, 362043, 391617, 396543, 478643, 509841, 568953, 623139, 844767, 913773, 1000799, 1174851, 1189629, 1435929, 1453991, 1706859, 1869417, 2534301, 2741319, 3002397, 3350501, 3568887, 4307787, 4361973, 5608251, 7005593, 8223957, 9007191, 10051503, 11008789, 12923361, 13085919, 21016779, 27021573, 30154509, 33026367, 39257757, 63050337, 77061523, 90463527, 99079101, 189151011, 231184569, 297237303, 693553707, 2080661121]

約数ペア:

[(1, 2080661121), (3, 693553707), (7, 297237303), (9, 231184569), (11, 189151011), (21, 99079101), (23, 90463527), (27, 77061523), (33, 63050337), (53, 39257757), (63, 33026367), (69, 30154509), (77, 27021573), (99, 21016779), (159, 13085919), (161, 12923361), (189, 11008789), (207, 10051503), (231, 9007191), (253, 8223957), (297, 7005593), (371, 5608251), (477, 4361973), (483, 4307787), (583, 3568887), (621, 3350501), (693, 3002397), (759, 2741319), (821, 2534301), (1113, 1869417), (1219, 1706859), (1431, 1453991), (1449, 1435929), (1749, 1189629), (1771, 1174851), (2079, 1000799), (2277, 913773), (2463, 844767), (3339, 623139), (3657, 568953), (4081, 509841), (4347, 478643), (5247, 396543), (5313, 391617), (5747, 362043), (6831, 304591), (7389, 281589), (8533, 243837), (9031, 230391), (10017, 207713), (10971, 189651), (12243, 169947), (13409, 155169), (15741, 132181), (15939, 130539), (17241, 120681), (18883, 110187), (22167, 93863), (25599, 81279), (27093, 76797), (32913, 63217), (36729, 56649), (40227, 51723), (43513, 47817)]