2005353525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{1907}}^1\times {\mathrm{2003}}^1$

素因数の和:3930

約数の個数: 48

約数和(自身を含む): 3793042944

約数和(自身を除く): 1787689419

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 1907, 2003, 5721, 6009, 9535, 10015, 13349, 14021, 28605, 30045, 40047, 42063, 47675, 50075, 66745, 70105, 143025, 150225, 200235, 210315, 333725, 350525, 1001175, 1051575, 3819721, 11459163, 19098605, 26738047, 57295815, 80214141, 95493025, 133690235, 286479075, 401070705, 668451175, 2005353525]

約数ペア:

[(1, 2005353525), (3, 668451175), (5, 401070705), (7, 286479075), (15, 133690235), (21, 95493025), (25, 80214141), (35, 57295815), (75, 26738047), (105, 19098605), (175, 11459163), (525, 3819721), (1907, 1051575), (2003, 1001175), (5721, 350525), (6009, 333725), (9535, 210315), (10015, 200235), (13349, 150225), (14021, 143025), (28605, 70105), (30045, 66745), (40047, 50075), (42063, 47675)]