208231485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{180287}}^1$

素因数の和:180313

約数の個数: 32

約数和(自身を含む): 415383552

約数和(自身を除く): 207152067

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 180287, 540861, 901435, 1262009, 1983157, 2704305, 3786027, 5949471, 6310045, 9915785, 13882099, 18930135, 29747355, 41646297, 69410495, 208231485]

約数ペア:

[(1, 208231485), (3, 69410495), (5, 41646297), (7, 29747355), (11, 18930135), (15, 13882099), (21, 9915785), (33, 6310045), (35, 5949471), (55, 3786027), (77, 2704305), (105, 1983157), (165, 1262009), (231, 901435), (385, 540861), (1155, 180287)]