64727505

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2251}}^1$

素因数の和:2339

約数の個数: 40

約数和(自身を含む): 117716544

約数和(自身を除く): 52989039

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 2251, 3195, 5751, 6753, 9585, 11255, 20259, 28755, 33765, 60777, 101295, 159821, 182331, 303885, 479463, 799105, 911655, 1438389, 2397315, 4315167, 7191945, 12945501, 21575835, 64727505]

約数ペア:

[(1, 64727505), (3, 21575835), (5, 12945501), (9, 7191945), (15, 4315167), (27, 2397315), (45, 1438389), (71, 911655), (81, 799105), (135, 479463), (213, 303885), (355, 182331), (405, 159821), (639, 101295), (1065, 60777), (1917, 33765), (2251, 28755), (3195, 20259), (5751, 11255), (6753, 9585)]