11899881

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 21385728

約数和(自身を除く): 9485847

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 63, 119, 123, 153, 271, 287, 357, 369, 697, 813, 861, 1071, 1897, 2091, 2439, 2583, 4607, 4879, 5691, 6273, 11111, 13821, 14637, 17073, 32249, 33333, 41463, 43911, 77777, 96747, 99999, 188887, 233331, 290241, 566661, 699993, 1322209, 1699983, 3966627, 11899881]

約数ペア:

[(1, 11899881), (3, 3966627), (7, 1699983), (9, 1322209), (17, 699993), (21, 566661), (41, 290241), (51, 233331), (63, 188887), (119, 99999), (123, 96747), (153, 77777), (271, 43911), (287, 41463), (357, 33333), (369, 32249), (697, 17073), (813, 14637), (861, 13821), (1071, 11111), (1897, 6273), (2091, 5691), (2439, 4879), (2583, 4607)]