209212041

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{83}}^2\times {\mathrm{191}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 289184256

約数和(自身を除く): 79972215

約数列:

[1, 3, 53, 83, 159, 191, 249, 573, 4399, 6889, 10123, 13197, 15853, 20667, 30369, 47559, 365117, 840209, 1095351, 1315799, 2520627, 3947397, 69737347, 209212041]

約数ペア:

[(1, 209212041), (3, 69737347), (53, 3947397), (83, 2520627), (159, 1315799), (191, 1095351), (249, 840209), (573, 365117), (4399, 47559), (6889, 30369), (10123, 20667), (13197, 15853)]