81349515

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15451}}^1$

素因数の和:15481

約数の個数: 40

約数和(自身を含む): 157054128

約数和(自身を除く): 75704613

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 15451, 46353, 77255, 139059, 200863, 231765, 417177, 602589, 695295, 1004315, 1251531, 1807767, 2085885, 3012945, 5423301, 6257655, 9038835, 16269903, 27116505, 81349515]

約数ペア:

[(1, 81349515), (3, 27116505), (5, 16269903), (9, 9038835), (13, 6257655), (15, 5423301), (27, 3012945), (39, 2085885), (45, 1807767), (65, 1251531), (81, 1004315), (117, 695295), (135, 602589), (195, 417177), (351, 231765), (405, 200863), (585, 139059), (1053, 77255), (1755, 46353), (5265, 15451)]