251907003

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2999}}^1$

素因数の和:3089

約数の個数: 40

約数和(自身を含む): 405108000

約数和(自身を除く): 153200997

約数列:

[1, 3, 9, 17, 27, 51, 61, 81, 153, 183, 459, 549, 1037, 1377, 1647, 2999, 3111, 4941, 8997, 9333, 26991, 27999, 50983, 80973, 83997, 152949, 182939, 242919, 458847, 548817, 1376541, 1646451, 3109963, 4129623, 4939353, 9329889, 14818059, 27989667, 83969001, 251907003]

約数ペア:

[(1, 251907003), (3, 83969001), (9, 27989667), (17, 14818059), (27, 9329889), (51, 4939353), (61, 4129623), (81, 3109963), (153, 1646451), (183, 1376541), (459, 548817), (549, 458847), (1037, 242919), (1377, 182939), (1647, 152949), (2999, 83997), (3111, 80973), (4941, 50983), (8997, 27999), (9333, 26991)]