65203957

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{2089}}^1$

素因数の和:2130

約数の個数: 20

約数和(自身を含む): 81957260

約数和(自身を除く): 16753303

約数列:

[1, 7, 13, 49, 91, 343, 637, 2089, 2401, 4459, 14623, 27157, 31213, 102361, 190099, 716527, 1330693, 5015689, 9314851, 65203957]

約数ペア:

[(1, 65203957), (7, 9314851), (13, 5015689), (49, 1330693), (91, 716527), (343, 190099), (637, 102361), (2089, 31213), (2401, 27157), (4459, 14623)]