80496819

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{40471}}^1$

素因数の和:40507

約数の個数: 24

約数和(自身を含む): 132586272

約数和(自身を除く): 52089453

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 40471, 121413, 364239, 526123, 688007, 1578369, 2064021, 4735107, 6192063, 8944091, 26832273, 80496819]

約数ペア:

[(1, 80496819), (3, 26832273), (9, 8944091), (13, 6192063), (17, 4735107), (39, 2064021), (51, 1578369), (117, 688007), (153, 526123), (221, 364239), (663, 121413), (1989, 40471)]