81386955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139123}}^1$

素因数の和:139147

約数の個数: 24

約数和(自身を含む): 151923408

約数和(自身を除く): 70536453

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 139123, 417369, 695615, 1252107, 1808599, 2086845, 5425797, 6260535, 9042995, 16277391, 27128985, 81386955]

約数ペア:

[(1, 81386955), (3, 27128985), (5, 16277391), (9, 9042995), (13, 6260535), (15, 5425797), (39, 2086845), (45, 1808599), (65, 1252107), (117, 695615), (195, 417369), (585, 139123)]