20150001

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 30566016

約数和(自身を除く): 10416015

約数列:

[1, 3, 9, 23, 69, 207, 311, 313, 933, 939, 2799, 2817, 7153, 7199, 21459, 21597, 64377, 64791, 97343, 292029, 876087, 2238889, 6716667, 20150001]

約数ペア:

[(1, 20150001), (3, 6716667), (9, 2238889), (23, 876087), (69, 292029), (207, 97343), (311, 64791), (313, 64377), (933, 21597), (939, 21459), (2799, 7199), (2817, 7153)]