20168231769

素因数分解:

$3^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{442781}}^1$

素因数の和:443038

約数の個数: 32

約数和(自身を含む): 34289038080

約数和(自身を除く): 14120806311

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 241, 723, 1687, 2169, 5061, 6507, 15183, 45549, 442781, 1328343, 3099467, 3985029, 9298401, 11955087, 27895203, 83685609, 106710221, 320130663, 746971547, 960391989, 2240914641, 2881175967, 6722743923, 20168231769]

約数ペア:

[(1, 20168231769), (3, 6722743923), (7, 2881175967), (9, 2240914641), (21, 960391989), (27, 746971547), (63, 320130663), (189, 106710221), (241, 83685609), (723, 27895203), (1687, 11955087), (2169, 9298401), (5061, 3985029), (6507, 3099467), (15183, 1328343), (45549, 442781)]