1390517919

素因数分解:

$3^2\times 7^1\times {\mathrm{739}}^1\times {\mathrm{29867}}^1$

素因数の和:30619

約数の個数: 24

約数和(自身を含む): 2298641280

約数和(自身を除く): 908123361

約数列:

[1, 3, 7, 9, 21, 63, 739, 2217, 5173, 6651, 15519, 29867, 46557, 89601, 209069, 268803, 627207, 1881621, 22071713, 66215139, 154501991, 198645417, 463505973, 1390517919]

約数ペア:

[(1, 1390517919), (3, 463505973), (7, 198645417), (9, 154501991), (21, 66215139), (63, 22071713), (739, 1881621), (2217, 627207), (5173, 268803), (6651, 209069), (15519, 89601), (29867, 46557)]