81692157

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 119066112

約数和(自身を除く): 37373955

約数列:

[1, 3, 17, 47, 51, 141, 173, 197, 519, 591, 799, 2397, 2941, 3349, 8131, 8823, 9259, 10047, 24393, 27777, 34081, 102243, 138227, 157403, 414681, 472209, 579377, 1601807, 1738131, 4805421, 27230719, 81692157]

約数ペア:

[(1, 81692157), (3, 27230719), (17, 4805421), (47, 1738131), (51, 1601807), (141, 579377), (173, 472209), (197, 414681), (519, 157403), (591, 138227), (799, 102243), (2397, 34081), (2941, 27777), (3349, 24393), (8131, 10047), (8823, 9259)]