129512439

素因数分解:

$3^5\times 7^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 230302800

約数和(自身を除く): 100790361

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 73, 81, 147, 149, 189, 219, 243, 441, 447, 511, 567, 657, 1043, 1323, 1341, 1533, 1701, 1971, 3129, 3577, 3969, 4023, 4599, 5913, 7301, 9387, 10731, 10877, 11907, 12069, 13797, 17739, 21903, 28161, 32193, 32631, 36207, 41391, 65709, 76139, 84483, 96579, 97893, 124173, 197127, 228417, 253449, 289737, 293679, 532973, 591381, 685251, 869211, 881037, 1598919, 1774143, 2055753, 2643111, 4796757, 6167259, 14390271, 18501777, 43170813, 129512439]

約数ペア:

[(1, 129512439), (3, 43170813), (7, 18501777), (9, 14390271), (21, 6167259), (27, 4796757), (49, 2643111), (63, 2055753), (73, 1774143), (81, 1598919), (147, 881037), (149, 869211), (189, 685251), (219, 591381), (243, 532973), (441, 293679), (447, 289737), (511, 253449), (567, 228417), (657, 197127), (1043, 124173), (1323, 97893), (1341, 96579), (1533, 84483), (1701, 76139), (1971, 65709), (3129, 41391), (3577, 36207), (3969, 32631), (4023, 32193), (4599, 28161), (5913, 21903), (7301, 17739), (9387, 13797), (10731, 12069), (10877, 11907)]