201265125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 358795008

約数和(自身を除く): 157529883

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 131, 241, 255, 375, 393, 425, 655, 723, 1205, 1275, 1965, 2125, 2227, 3275, 3615, 4097, 6025, 6375, 6681, 9825, 11135, 12291, 16375, 18075, 20485, 30125, 31571, 33405, 49125, 55675, 61455, 90375, 94713, 102425, 157855, 167025, 278375, 307275, 473565, 512125, 536707, 789275, 835125, 1536375, 1610121, 2367825, 2683535, 3946375, 8050605, 11839125, 13417675, 40253025, 67088375, 201265125]

約数ペア:

[(1, 201265125), (3, 67088375), (5, 40253025), (15, 13417675), (17, 11839125), (25, 8050605), (51, 3946375), (75, 2683535), (85, 2367825), (125, 1610121), (131, 1536375), (241, 835125), (255, 789275), (375, 536707), (393, 512125), (425, 473565), (655, 307275), (723, 278375), (1205, 167025), (1275, 157855), (1965, 102425), (2125, 94713), (2227, 90375), (3275, 61455), (3615, 55675), (4097, 49125), (6025, 33405), (6375, 31571), (6681, 30125), (9825, 20485), (11135, 18075), (12291, 16375)]