20167917

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7937}}^1$

素因数の和:7969

約数の個数: 24

約数和(自身を含む): 33784128

約数和(自身を除く): 13616211

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7937, 23811, 55559, 87307, 166677, 261921, 611149, 960377, 1833447, 2881131, 6722639, 20167917]

約数ペア:

[(1, 20167917), (3, 6722639), (7, 2881131), (11, 1833447), (21, 960377), (33, 611149), (77, 261921), (121, 166677), (231, 87307), (363, 55559), (847, 23811), (2541, 7937)]