518505015

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{2441}}^1$

素因数の和:2497

約数の個数: 72

約数和(自身を含む): 1025581392

約数和(自身を除く): 507076377

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 289, 357, 595, 735, 833, 867, 1445, 1785, 2023, 2441, 2499, 4165, 4335, 6069, 7323, 10115, 12205, 12495, 14161, 17087, 30345, 36615, 41497, 42483, 51261, 70805, 85435, 119609, 124491, 207485, 212415, 256305, 290479, 358827, 598045, 622455, 705449, 871437, 1452395, 1794135, 2033353, 2116347, 3527245, 4357185, 4938143, 6100059, 10166765, 10581735, 14814429, 24690715, 30500295, 34567001, 74072145, 103701003, 172835005, 518505015]

約数ペア:

[(1, 518505015), (3, 172835005), (5, 103701003), (7, 74072145), (15, 34567001), (17, 30500295), (21, 24690715), (35, 14814429), (49, 10581735), (51, 10166765), (85, 6100059), (105, 4938143), (119, 4357185), (147, 3527245), (245, 2116347), (255, 2033353), (289, 1794135), (357, 1452395), (595, 871437), (735, 705449), (833, 622455), (867, 598045), (1445, 358827), (1785, 290479), (2023, 256305), (2441, 212415), (2499, 207485), (4165, 124491), (4335, 119609), (6069, 85435), (7323, 70805), (10115, 51261), (12205, 42483), (12495, 41497), (14161, 36615), (17087, 30345)]