66979767

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^2\times {\mathrm{103}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 93588352

約数和(自身を除く): 26608585

約数列:

[1, 3, 43, 71, 103, 129, 213, 309, 3053, 4429, 5041, 7313, 9159, 13287, 15123, 21939, 216763, 314459, 519223, 650289, 943377, 1557669, 22326589, 66979767]

約数ペア:

[(1, 66979767), (3, 22326589), (43, 1557669), (71, 943377), (103, 650289), (129, 519223), (213, 314459), (309, 216763), (3053, 21939), (4429, 15123), (5041, 13287), (7313, 9159)]