209634243

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{26479}}^1$

素因数の和:26531

約数の個数: 32

約数和(自身を含む): 355891200

約数和(自身を除く): 146256957

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 26479, 79437, 185353, 344227, 556059, 767891, 1032681, 2303673, 2409589, 5375237, 7228767, 9982583, 16125711, 29947749, 69878081, 209634243]

約数ペア:

[(1, 209634243), (3, 69878081), (7, 29947749), (13, 16125711), (21, 9982583), (29, 7228767), (39, 5375237), (87, 2409589), (91, 2303673), (203, 1032681), (273, 767891), (377, 556059), (609, 344227), (1131, 185353), (2639, 79437), (7917, 26479)]