2643435

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 40

約数和(自身を含む): 4861296

約数和(自身を除く): 2217861

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 107, 135, 183, 305, 321, 405, 535, 549, 915, 963, 1605, 1647, 2745, 2889, 4815, 4941, 6527, 8235, 8667, 14445, 19581, 24705, 32635, 43335, 58743, 97905, 176229, 293715, 528687, 881145, 2643435]

約数ペア:

[(1, 2643435), (3, 881145), (5, 528687), (9, 293715), (15, 176229), (27, 97905), (45, 58743), (61, 43335), (81, 32635), (107, 24705), (135, 19581), (183, 14445), (305, 8667), (321, 8235), (405, 6527), (535, 4941), (549, 4815), (915, 2889), (963, 2745), (1605, 1647)]