28401237

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 46416240

約数和(自身を除く): 18015003

約数列:

[1, 3, 9, 17, 29, 37, 51, 87, 111, 153, 173, 261, 333, 493, 519, 629, 1073, 1479, 1557, 1887, 2941, 3219, 4437, 5017, 5661, 6401, 8823, 9657, 15051, 18241, 19203, 26469, 45153, 54723, 57609, 85289, 108817, 164169, 185629, 255867, 326451, 556887, 767601, 979353, 1670661, 3155693, 9467079, 28401237]

約数ペア:

[(1, 28401237), (3, 9467079), (9, 3155693), (17, 1670661), (29, 979353), (37, 767601), (51, 556887), (87, 326451), (111, 255867), (153, 185629), (173, 164169), (261, 108817), (333, 85289), (493, 57609), (519, 54723), (629, 45153), (1073, 26469), (1479, 19203), (1557, 18241), (1887, 15051), (2941, 9657), (3219, 8823), (4437, 6401), (5017, 5661)]