79928289

素因数分解:

$3^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 143585280

約数和(自身を除く): 63656991

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 227, 243, 483, 567, 621, 681, 729, 1449, 1589, 1701, 1863, 2043, 2187, 4347, 4767, 5103, 5221, 5589, 6129, 13041, 14301, 15309, 15663, 16767, 18387, 36547, 39123, 42903, 46989, 50301, 55161, 109641, 117369, 128709, 140967, 165483, 328923, 352107, 386127, 422901, 496449, 986769, 1158381, 1268703, 2960307, 3475143, 3806109, 8880921, 11418327, 26642763, 79928289]

約数ペア:

[(1, 79928289), (3, 26642763), (7, 11418327), (9, 8880921), (21, 3806109), (23, 3475143), (27, 2960307), (63, 1268703), (69, 1158381), (81, 986769), (161, 496449), (189, 422901), (207, 386127), (227, 352107), (243, 328923), (483, 165483), (567, 140967), (621, 128709), (681, 117369), (729, 109641), (1449, 55161), (1589, 50301), (1701, 46989), (1863, 42903), (2043, 39123), (2187, 36547), (4347, 18387), (4767, 16767), (5103, 15663), (5221, 15309), (5589, 14301), (6129, 13041)]