31189697

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21319}}^1$

素因数の和:21356

約数の個数: 16

約数和(自身を含む): 40934400

約数和(自身を除く): 9744703

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 21319, 149233, 234509, 405061, 1641563, 2835427, 4455671, 31189697]

約数ペア:

[(1, 31189697), (7, 4455671), (11, 2835427), (19, 1641563), (77, 405061), (133, 234509), (209, 149233), (1463, 21319)]