720072963

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{1403651}}^1$

素因数の和:1403679

約数の個数: 16

約数和(自身を含む): 1122921600

約数和(自身を除く): 402848637

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 1403651, 4210953, 12632859, 26669369, 37898577, 80008107, 240024321, 720072963]

約数ペア:

[(1, 720072963), (3, 240024321), (9, 80008107), (19, 37898577), (27, 26669369), (57, 12632859), (171, 4210953), (513, 1403651)]