9807005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 13179096

約数和(自身を除く): 3372091

約数列:

[1, 5, 13, 31, 65, 155, 157, 403, 785, 961, 2015, 2041, 4805, 4867, 10205, 12493, 24335, 62465, 63271, 150877, 316355, 754385, 1961401, 9807005]

約数ペア:

[(1, 9807005), (5, 1961401), (13, 754385), (31, 316355), (65, 150877), (155, 63271), (157, 62465), (403, 24335), (785, 12493), (961, 10205), (2015, 4867), (2041, 4805)]