751609971

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 1316893344

約数和(自身を除く): 565283373

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 73, 111, 147, 219, 259, 333, 441, 511, 631, 657, 777, 1533, 1813, 1893, 2331, 2701, 3577, 4417, 4599, 5439, 5679, 8103, 10731, 13251, 16317, 18907, 23347, 24309, 30919, 32193, 39753, 46063, 56721, 70041, 92757, 132349, 138189, 163429, 170163, 210123, 278271, 322441, 397047, 414567, 490287, 967323, 1144003, 1191141, 1470861, 1704331, 2257087, 2901969, 3432009, 5112993, 6771261, 10296027, 11930317, 15338979, 20313783, 35790951, 83512219, 107372853, 250536657, 751609971]

約数ペア:

[(1, 751609971), (3, 250536657), (7, 107372853), (9, 83512219), (21, 35790951), (37, 20313783), (49, 15338979), (63, 11930317), (73, 10296027), (111, 6771261), (147, 5112993), (219, 3432009), (259, 2901969), (333, 2257087), (441, 1704331), (511, 1470861), (631, 1191141), (657, 1144003), (777, 967323), (1533, 490287), (1813, 414567), (1893, 397047), (2331, 322441), (2701, 278271), (3577, 210123), (4417, 170163), (4599, 163429), (5439, 138189), (5679, 132349), (8103, 92757), (10731, 70041), (13251, 56721), (16317, 46063), (18907, 39753), (23347, 32193), (24309, 30919)]