251119485

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2113}}^1$

素因数の和:2282

約数の個数: 48

約数和(自身を含む): 461697600

約数和(自身を除く): 210578115

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 139, 171, 285, 417, 695, 855, 1251, 2085, 2113, 2641, 6255, 6339, 7923, 10565, 13205, 19017, 23769, 31695, 39615, 40147, 95085, 118845, 120441, 200735, 293707, 361323, 602205, 881121, 1468535, 1806615, 2643363, 4405605, 5580433, 13216815, 16741299, 27902165, 50223897, 83706495, 251119485]

約数ペア:

[(1, 251119485), (3, 83706495), (5, 50223897), (9, 27902165), (15, 16741299), (19, 13216815), (45, 5580433), (57, 4405605), (95, 2643363), (139, 1806615), (171, 1468535), (285, 881121), (417, 602205), (695, 361323), (855, 293707), (1251, 200735), (2085, 120441), (2113, 118845), (2641, 95085), (6255, 40147), (6339, 39615), (7923, 31695), (10565, 23769), (13205, 19017)]