81493223

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{271}}^1$

素因数の和:340

約数の個数: 36

約数和(自身を含む): 106326432

約数和(自身を除く): 24833209

約数列:

[1, 7, 17, 19, 49, 119, 133, 271, 323, 361, 833, 931, 1897, 2261, 2527, 4607, 5149, 6137, 13279, 15827, 17689, 32249, 36043, 42959, 87533, 97831, 225743, 252301, 300713, 612731, 684817, 1663127, 4289117, 4793719, 11641889, 81493223]

約数ペア:

[(1, 81493223), (7, 11641889), (17, 4793719), (19, 4289117), (49, 1663127), (119, 684817), (133, 612731), (271, 300713), (323, 252301), (361, 225743), (833, 97831), (931, 87533), (1897, 42959), (2261, 36043), (2527, 32249), (4607, 17689), (5149, 15827), (6137, 13279)]