204904413

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 348416640

約数和(自身を除く): 143512227

約数列:

[1, 3, 7, 9, 21, 53, 63, 109, 159, 327, 371, 477, 563, 763, 981, 1113, 1689, 2289, 3339, 3941, 5067, 5777, 6867, 11823, 17331, 29839, 35469, 40439, 51993, 61367, 89517, 121317, 184101, 208873, 268551, 363951, 429569, 552303, 626619, 1288707, 1879857, 3252451, 3866121, 9757353, 22767157, 29272059, 68301471, 204904413]

約数ペア:

[(1, 204904413), (3, 68301471), (7, 29272059), (9, 22767157), (21, 9757353), (53, 3866121), (63, 3252451), (109, 1879857), (159, 1288707), (327, 626619), (371, 552303), (477, 429569), (563, 363951), (763, 268551), (981, 208873), (1113, 184101), (1689, 121317), (2289, 89517), (3339, 61367), (3941, 51993), (5067, 40439), (5777, 35469), (6867, 29839), (11823, 17331)]