80278191

素因数分解:

$3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{4349}}^1$

素因数の和:4655

約数の個数: 24

約数和(自身を含む): 133005600

約数和(自身を除く): 52727409

約数列:

[1, 3, 7, 9, 21, 63, 293, 879, 2051, 2637, 4349, 6153, 13047, 18459, 30443, 39141, 91329, 273987, 1274257, 3822771, 8919799, 11468313, 26759397, 80278191]

約数ペア:

[(1, 80278191), (3, 26759397), (7, 11468313), (9, 8919799), (21, 3822771), (63, 1274257), (293, 273987), (879, 91329), (2051, 39141), (2637, 30443), (4349, 18459), (6153, 13047)]