28265601

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2113}}^1$

素因数の和:2150

約数の個数: 32

約数和(自身を含む): 47353600

約数和(自身を除く): 19087999

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 2113, 4459, 6339, 13377, 14791, 27469, 44373, 82407, 103537, 192283, 310611, 576849, 724759, 1345981, 2174277, 4037943, 9421867, 28265601]

約数ペア:

[(1, 28265601), (3, 9421867), (7, 4037943), (13, 2174277), (21, 1345981), (39, 724759), (49, 576849), (91, 310611), (147, 192283), (273, 103537), (343, 82407), (637, 44373), (1029, 27469), (1911, 14791), (2113, 13377), (4459, 6339)]