30668869

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20963}}^1$

素因数の和:21000

約数の個数: 16

約数和(自身を含む): 40250880

約数和(自身を除く): 9582011

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 20963, 146741, 230593, 398297, 1614151, 2788079, 4381267, 30668869]

約数ペア:

[(1, 30668869), (7, 4381267), (11, 2788079), (19, 1614151), (77, 398297), (133, 230593), (209, 146741), (1463, 20963)]