940208031

素因数分解:

$3^2\times 7^2\times {\mathrm{2131991}}^1$

素因数の和:2132011

約数の個数: 18

約数和(自身を含む): 1579806072

約数和(自身を除く): 639598041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 2131991, 6395973, 14923937, 19187919, 44771811, 104467559, 134315433, 313402677, 940208031]

約数ペア:

[(1, 940208031), (3, 313402677), (7, 134315433), (9, 104467559), (21, 44771811), (49, 19187919), (63, 14923937), (147, 6395973), (441, 2131991)]