31118087

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4441}}^1$

素因数の和:4479

約数の個数: 24

約数和(自身を含む): 42536592

約数和(自身を除く): 11418505

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 4441, 7007, 31087, 48851, 57733, 217609, 341957, 404131, 635063, 2393699, 2828917, 4445441, 31118087]

約数ペア:

[(1, 31118087), (7, 4445441), (11, 2828917), (13, 2393699), (49, 635063), (77, 404131), (91, 341957), (143, 217609), (539, 57733), (637, 48851), (1001, 31087), (4441, 7007)]