27689277

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 49182336

約数和(自身を除く): 21493059

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 121, 187, 231, 357, 363, 561, 641, 847, 1309, 1923, 2057, 2541, 3927, 4487, 6171, 7051, 10897, 13461, 14399, 21153, 32691, 43197, 49357, 76279, 77561, 119867, 148071, 228837, 232683, 359601, 542927, 839069, 1318537, 1628781, 2517207, 3955611, 9229759, 27689277]

約数ペア:

[(1, 27689277), (3, 9229759), (7, 3955611), (11, 2517207), (17, 1628781), (21, 1318537), (33, 839069), (51, 542927), (77, 359601), (119, 232683), (121, 228837), (187, 148071), (231, 119867), (357, 77561), (363, 76279), (561, 49357), (641, 43197), (847, 32691), (1309, 21153), (1923, 14399), (2057, 13461), (2541, 10897), (3927, 7051), (4487, 6171)]