28012667739

素因数分解:

$3^1\times 7^1\times {\mathrm{6679}}^1\times {\mathrm{199721}}^1$

素因数の和:206410

約数の個数: 16

約数和(自身を含む): 42692574720

約数和(自身を除く): 14679906981

約数列:

[1, 3, 7, 21, 6679, 20037, 46753, 140259, 199721, 599163, 1398047, 4194141, 1333936559, 4001809677, 9337555913, 28012667739]

約数ペア:

[(1, 28012667739), (3, 9337555913), (7, 4001809677), (21, 1333936559), (6679, 4194141), (20037, 1398047), (46753, 599163), (140259, 199721)]