81285211

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{35951}}^1$

素因数の和:35994

約数の個数: 16

約数和(自身を含む): 103541760

約数和(自身を除く): 22256549

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 35951, 251657, 611167, 683069, 4278169, 4781483, 11612173, 81285211]

約数ペア:

[(1, 81285211), (7, 11612173), (17, 4781483), (19, 4278169), (119, 683069), (133, 611167), (323, 251657), (2261, 35951)]