820913804907

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1979}}^1\times {\mathrm{681137}}^1$

素因数の和:683155

約数の個数: 32

約数和(自身を含む): 1294707110400

約数和(自身を除く): 473793305493

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 1979, 5937, 13853, 41559, 57391, 172173, 401737, 681137, 1205211, 2043411, 4767959, 14303877, 19752973, 59258919, 138270811, 414812433, 1347970123, 4043910369, 9435790861, 28307372583, 39091133567, 117273400701, 273637934969, 820913804907]

約数ペア:

[(1, 820913804907), (3, 273637934969), (7, 117273400701), (21, 39091133567), (29, 28307372583), (87, 9435790861), (203, 4043910369), (609, 1347970123), (1979, 414812433), (5937, 138270811), (13853, 59258919), (41559, 19752973), (57391, 14303877), (172173, 4767959), (401737, 2043411), (681137, 1205211)]