680841

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 1145664

約数和(自身を除く): 464823

約数列:

[1, 3, 7, 9, 21, 63, 101, 107, 303, 321, 707, 749, 909, 963, 2121, 2247, 6363, 6741, 10807, 32421, 75649, 97263, 226947, 680841]

約数ペア:

[(1, 680841), (3, 226947), (7, 97263), (9, 75649), (21, 32421), (63, 10807), (101, 6741), (107, 6363), (303, 2247), (321, 2121), (707, 963), (749, 909)]