28335879

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 22467321

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 41, 99, 117, 123, 143, 179, 297, 351, 369, 429, 451, 533, 537, 1107, 1287, 1353, 1599, 1611, 1969, 2327, 3861, 4059, 4797, 4833, 5863, 5907, 6981, 7339, 12177, 14391, 17589, 17721, 20943, 22017, 25597, 52767, 53163, 62829, 66051, 76791, 80729, 95407, 158301, 198153, 230373, 242187, 286221, 691119, 726561, 858663, 1049477, 2179683, 2575989, 3148431, 9445293, 28335879]

約数ペア:

[(1, 28335879), (3, 9445293), (9, 3148431), (11, 2575989), (13, 2179683), (27, 1049477), (33, 858663), (39, 726561), (41, 691119), (99, 286221), (117, 242187), (123, 230373), (143, 198153), (179, 158301), (297, 95407), (351, 80729), (369, 76791), (429, 66051), (451, 62829), (533, 53163), (537, 52767), (1107, 25597), (1287, 22017), (1353, 20943), (1599, 17721), (1611, 17589), (1969, 14391), (2327, 12177), (3861, 7339), (4059, 6981), (4797, 5907), (4833, 5863)]