280398573

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1979}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 501621120

約数和(自身を除く): 221222547

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 173, 273, 519, 819, 1211, 1557, 1979, 2249, 3633, 5937, 6747, 10899, 13853, 15743, 17811, 20241, 25727, 41559, 47229, 77181, 124677, 141687, 180089, 231543, 342367, 540267, 1027101, 1620801, 2396569, 3081303, 4450771, 7189707, 13352313, 21569121, 31155397, 40056939, 93466191, 280398573]

約数ペア:

[(1, 280398573), (3, 93466191), (7, 40056939), (9, 31155397), (13, 21569121), (21, 13352313), (39, 7189707), (63, 4450771), (91, 3081303), (117, 2396569), (173, 1620801), (273, 1027101), (519, 540267), (819, 342367), (1211, 231543), (1557, 180089), (1979, 141687), (2249, 124677), (3633, 77181), (5937, 47229), (6747, 41559), (10899, 25727), (13853, 20241), (15743, 17811)]