81775491

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1459}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 132871680

約数和(自身を除く): 51096189

約数列:

[1, 3, 7, 17, 21, 51, 119, 157, 357, 471, 1099, 1459, 2669, 3297, 4377, 8007, 10213, 18683, 24803, 30639, 56049, 74409, 173621, 229063, 520863, 687189, 1603441, 3894071, 4810323, 11682213, 27258497, 81775491]

約数ペア:

[(1, 81775491), (3, 27258497), (7, 11682213), (17, 4810323), (21, 3894071), (51, 1603441), (119, 687189), (157, 520863), (357, 229063), (471, 173621), (1099, 74409), (1459, 56049), (2669, 30639), (3297, 24803), (4377, 18683), (8007, 10213)]