3996945

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 40

約数和(自身を含む): 7318080

約数和(自身を除く): 3321135

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 139, 213, 355, 405, 417, 639, 695, 1065, 1251, 1917, 2085, 3195, 3753, 5751, 6255, 9585, 9869, 11259, 18765, 28755, 29607, 49345, 56295, 88821, 148035, 266463, 444105, 799389, 1332315, 3996945]

約数ペア:

[(1, 3996945), (3, 1332315), (5, 799389), (9, 444105), (15, 266463), (27, 148035), (45, 88821), (71, 56295), (81, 49345), (135, 29607), (139, 28755), (213, 18765), (355, 11259), (405, 9869), (417, 9585), (639, 6255), (695, 5751), (1065, 3753), (1251, 3195), (1917, 2085)]