28446561

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 52049088

約数和(自身を除く): 23602527

約数列:

[1, 3, 9, 11, 13, 23, 31, 33, 39, 69, 93, 99, 117, 143, 207, 253, 279, 299, 341, 403, 429, 713, 759, 897, 961, 1023, 1209, 1287, 2139, 2277, 2691, 2883, 3069, 3289, 3627, 4433, 6417, 7843, 8649, 9269, 9867, 10571, 12493, 13299, 22103, 23529, 27807, 29601, 31713, 37479, 39897, 66309, 70587, 83421, 95139, 101959, 112437, 137423, 198927, 243133, 287339, 305877, 412269, 729399, 862017, 917631, 1236807, 2188197, 2586051, 3160729, 9482187, 28446561]

約数ペア:

[(1, 28446561), (3, 9482187), (9, 3160729), (11, 2586051), (13, 2188197), (23, 1236807), (31, 917631), (33, 862017), (39, 729399), (69, 412269), (93, 305877), (99, 287339), (117, 243133), (143, 198927), (207, 137423), (253, 112437), (279, 101959), (299, 95139), (341, 83421), (403, 70587), (429, 66309), (713, 39897), (759, 37479), (897, 31713), (961, 29601), (1023, 27807), (1209, 23529), (1287, 22103), (2139, 13299), (2277, 12493), (2691, 10571), (2883, 9867), (3069, 9269), (3289, 8649), (3627, 7843), (4433, 6417)]