80857539

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{44257}}^1$

素因数の和:44299

約数の個数: 24

約数和(自身を含む): 138084960

約数和(自身を除く): 57227421

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 44257, 132771, 309799, 398313, 929397, 1283453, 2788191, 3850359, 8984171, 11551077, 26952513, 80857539]

約数ペア:

[(1, 80857539), (3, 26952513), (7, 11551077), (9, 8984171), (21, 3850359), (29, 2788191), (63, 1283453), (87, 929397), (203, 398313), (261, 309799), (609, 132771), (1827, 44257)]