39991329

素因数分解:

$3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1583}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 66223872

約数和(自身を除く): 26232543

約数列:

[1, 3, 7, 9, 21, 63, 401, 1203, 1583, 2807, 3609, 4749, 8421, 11081, 14247, 25263, 33243, 99729, 634783, 1904349, 4443481, 5713047, 13330443, 39991329]

約数ペア:

[(1, 39991329), (3, 13330443), (7, 5713047), (9, 4443481), (21, 1904349), (63, 634783), (401, 99729), (1203, 33243), (1583, 25263), (2807, 14247), (3609, 11081), (4749, 8421)]