2731687

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 24

約数和(自身を含む): 3511296

約数和(自身を除く): 779609

約数列:

[1, 7, 19, 23, 47, 133, 161, 329, 361, 437, 893, 1081, 2527, 3059, 6251, 7567, 8303, 16967, 20539, 58121, 118769, 143773, 390241, 2731687]

約数ペア:

[(1, 2731687), (7, 390241), (19, 143773), (23, 118769), (47, 58121), (133, 20539), (161, 16967), (329, 8303), (361, 7567), (437, 6251), (893, 3059), (1081, 2527)]