17741889

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 30965760

約数和(自身を除く): 13223871

約数列:

[1, 3, 9, 11, 27, 31, 33, 41, 47, 93, 99, 123, 141, 279, 297, 341, 369, 423, 451, 517, 837, 1023, 1107, 1269, 1271, 1353, 1457, 1551, 1927, 3069, 3813, 4059, 4371, 4653, 5781, 9207, 11439, 12177, 13113, 13959, 13981, 16027, 17343, 21197, 34317, 39339, 41943, 48081, 52029, 59737, 63591, 125829, 144243, 179211, 190773, 377487, 432729, 537633, 572319, 657107, 1612899, 1971321, 5913963, 17741889]

約数ペア:

[(1, 17741889), (3, 5913963), (9, 1971321), (11, 1612899), (27, 657107), (31, 572319), (33, 537633), (41, 432729), (47, 377487), (93, 190773), (99, 179211), (123, 144243), (141, 125829), (279, 63591), (297, 59737), (341, 52029), (369, 48081), (423, 41943), (451, 39339), (517, 34317), (837, 21197), (1023, 17343), (1107, 16027), (1269, 13981), (1271, 13959), (1353, 13113), (1457, 12177), (1551, 11439), (1927, 9207), (3069, 5781), (3813, 4653), (4059, 4371)]