139321945

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{19609}}^1$

素因数の和:19657

約数の個数: 24

約数和(自身を含む): 201198600

約数和(自身を除く): 61876655

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 7105, 19609, 98045, 137263, 568661, 686315, 960841, 2843305, 3980627, 4804205, 19903135, 27864389, 139321945]

約数ペア:

[(1, 139321945), (5, 27864389), (7, 19903135), (29, 4804205), (35, 3980627), (49, 2843305), (145, 960841), (203, 686315), (245, 568661), (1015, 137263), (1421, 98045), (7105, 19609)]