78828321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{509}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 130576320

約数和(自身を除く): 51747999

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 361, 429, 509, 627, 741, 1083, 1527, 2717, 3971, 4693, 5599, 6617, 8151, 9671, 11913, 14079, 16797, 19851, 29013, 51623, 72787, 106381, 125723, 154869, 183749, 218361, 319143, 377169, 551247, 1382953, 2021239, 2388737, 4148859, 6063717, 7166211, 26276107, 78828321]

約数ペア:

[(1, 78828321), (3, 26276107), (11, 7166211), (13, 6063717), (19, 4148859), (33, 2388737), (39, 2021239), (57, 1382953), (143, 551247), (209, 377169), (247, 319143), (361, 218361), (429, 183749), (509, 154869), (627, 125723), (741, 106381), (1083, 72787), (1527, 51623), (2717, 29013), (3971, 19851), (4693, 16797), (5599, 14079), (6617, 11913), (8151, 9671)]