29991213

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 23787603

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 63, 119, 123, 153, 287, 357, 369, 683, 697, 861, 1071, 2049, 2091, 2583, 4781, 4879, 6147, 6273, 11611, 14343, 14637, 28003, 34833, 43029, 43911, 81277, 84009, 104499, 196021, 243831, 252027, 476051, 588063, 731493, 1428153, 1764189, 3332357, 4284459, 9997071, 29991213]

約数ペア:

[(1, 29991213), (3, 9997071), (7, 4284459), (9, 3332357), (17, 1764189), (21, 1428153), (41, 731493), (51, 588063), (63, 476051), (119, 252027), (123, 243831), (153, 196021), (287, 104499), (357, 84009), (369, 81277), (683, 43911), (697, 43029), (861, 34833), (1071, 28003), (2049, 14637), (2091, 14343), (2583, 11611), (4781, 6273), (4879, 6147)]