556605

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 64

約数和(自身を含む): 1228800

約数和(自身を除く): 672195

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 31, 35, 45, 57, 63, 93, 95, 105, 133, 135, 155, 171, 189, 217, 279, 285, 315, 399, 465, 513, 589, 651, 665, 837, 855, 945, 1085, 1197, 1395, 1767, 1953, 1995, 2565, 2945, 3255, 3591, 4123, 4185, 5301, 5859, 5985, 8835, 9765, 12369, 15903, 17955, 20615, 26505, 29295, 37107, 61845, 79515, 111321, 185535, 556605]

約数ペア:

[(1, 556605), (3, 185535), (5, 111321), (7, 79515), (9, 61845), (15, 37107), (19, 29295), (21, 26505), (27, 20615), (31, 17955), (35, 15903), (45, 12369), (57, 9765), (63, 8835), (93, 5985), (95, 5859), (105, 5301), (133, 4185), (135, 4123), (155, 3591), (171, 3255), (189, 2945), (217, 2565), (279, 1995), (285, 1953), (315, 1767), (399, 1395), (465, 1197), (513, 1085), (589, 945), (651, 855), (665, 837)]