81849555

素因数分解:

$3^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1447}}^1$

素因数の和:1880

約数の個数: 32

約数和(自身を含む): 145958400

約数和(自身を除く): 64108845

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 419, 1257, 1447, 2095, 3771, 4341, 6285, 7235, 11313, 13023, 18855, 21705, 39069, 56565, 65115, 195345, 606293, 1818879, 3031465, 5456637, 9094395, 16369911, 27283185, 81849555]

約数ペア:

[(1, 81849555), (3, 27283185), (5, 16369911), (9, 9094395), (15, 5456637), (27, 3031465), (45, 1818879), (135, 606293), (419, 195345), (1257, 65115), (1447, 56565), (2095, 39069), (3771, 21705), (4341, 18855), (6285, 13023), (7235, 11313)]