27663867

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 53114880

約数和(自身を除く): 25451013

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 121, 133, 171, 191, 209, 231, 363, 399, 573, 627, 693, 847, 1089, 1197, 1337, 1463, 1719, 1881, 2101, 2299, 2541, 3629, 4011, 4389, 6303, 6897, 7623, 10887, 12033, 13167, 14707, 16093, 18909, 20691, 23111, 25403, 32661, 39919, 44121, 48279, 69333, 76209, 119757, 132363, 144837, 161777, 207999, 228627, 279433, 359271, 439109, 485331, 838299, 1317327, 1455993, 2514897, 3073763, 3951981, 9221289, 27663867]

約数ペア:

[(1, 27663867), (3, 9221289), (7, 3951981), (9, 3073763), (11, 2514897), (19, 1455993), (21, 1317327), (33, 838299), (57, 485331), (63, 439109), (77, 359271), (99, 279433), (121, 228627), (133, 207999), (171, 161777), (191, 144837), (209, 132363), (231, 119757), (363, 76209), (399, 69333), (573, 48279), (627, 44121), (693, 39919), (847, 32661), (1089, 25403), (1197, 23111), (1337, 20691), (1463, 18909), (1719, 16093), (1881, 14707), (2101, 13167), (2299, 12033), (2541, 10887), (3629, 7623), (4011, 6897), (4389, 6303)]