27784239

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 17374161

約数列:

[1, 3, 7, 17, 21, 51, 119, 223, 349, 357, 669, 1047, 1561, 2443, 3791, 4683, 5933, 7329, 11373, 17799, 26537, 41531, 77827, 79611, 124593, 233481, 544789, 1323059, 1634367, 3969177, 9261413, 27784239]

約数ペア:

[(1, 27784239), (3, 9261413), (7, 3969177), (17, 1634367), (21, 1323059), (51, 544789), (119, 233481), (223, 124593), (349, 79611), (357, 77827), (669, 41531), (1047, 26537), (1561, 17799), (2443, 11373), (3791, 7329), (4683, 5933)]