22777209

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 42948360

約数和(自身を除く): 20171151

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 49, 63, 87, 91, 117, 137, 147, 203, 261, 273, 377, 411, 441, 609, 637, 819, 959, 1131, 1233, 1421, 1781, 1827, 1911, 2639, 2877, 3393, 3973, 4263, 5343, 5733, 6713, 7917, 8631, 11919, 12467, 12789, 16029, 18473, 20139, 23751, 27811, 35757, 37401, 51649, 55419, 60417, 83433, 87269, 112203, 154947, 166257, 194677, 250299, 261807, 361543, 464841, 584031, 785421, 1084629, 1752093, 2530801, 3253887, 7592403, 22777209]

約数ペア:

[(1, 22777209), (3, 7592403), (7, 3253887), (9, 2530801), (13, 1752093), (21, 1084629), (29, 785421), (39, 584031), (49, 464841), (63, 361543), (87, 261807), (91, 250299), (117, 194677), (137, 166257), (147, 154947), (203, 112203), (261, 87269), (273, 83433), (377, 60417), (411, 55419), (441, 51649), (609, 37401), (637, 35757), (819, 27811), (959, 23751), (1131, 20139), (1233, 18473), (1421, 16029), (1781, 12789), (1827, 12467), (1911, 11919), (2639, 8631), (2877, 7917), (3393, 6713), (3973, 5733), (4263, 5343)]