64953855

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 120092544

約数和(自身を除く): 55138689

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 197, 255, 431, 591, 765, 985, 1293, 1773, 2155, 2955, 3349, 3879, 6465, 7327, 8865, 10047, 16745, 19395, 21981, 30141, 36635, 50235, 65943, 84907, 109905, 150705, 254721, 329715, 424535, 764163, 1273605, 1443419, 3820815, 4330257, 7217095, 12990771, 21651285, 64953855]

約数ペア:

[(1, 64953855), (3, 21651285), (5, 12990771), (9, 7217095), (15, 4330257), (17, 3820815), (45, 1443419), (51, 1273605), (85, 764163), (153, 424535), (197, 329715), (255, 254721), (431, 150705), (591, 109905), (765, 84907), (985, 65943), (1293, 50235), (1773, 36635), (2155, 30141), (2955, 21981), (3349, 19395), (3879, 16745), (6465, 10047), (7327, 8865)]