255280347

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{2003}}^1$

素因数の和:2057

約数の個数: 54

約数和(自身を含む): 455883948

約数和(自身を除く): 200603601

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 289, 357, 441, 833, 867, 1071, 2003, 2023, 2499, 2601, 6009, 6069, 7497, 14021, 14161, 18027, 18207, 34051, 42063, 42483, 98147, 102153, 126189, 127449, 238357, 294441, 306459, 578867, 715071, 883323, 1668499, 1736601, 2145213, 4052069, 5005497, 5209803, 12156207, 15016491, 28364483, 36468621, 85093449, 255280347]

約数ペア:

[(1, 255280347), (3, 85093449), (7, 36468621), (9, 28364483), (17, 15016491), (21, 12156207), (49, 5209803), (51, 5005497), (63, 4052069), (119, 2145213), (147, 1736601), (153, 1668499), (289, 883323), (357, 715071), (441, 578867), (833, 306459), (867, 294441), (1071, 238357), (2003, 127449), (2023, 126189), (2499, 102153), (2601, 98147), (6009, 42483), (6069, 42063), (7497, 34051), (14021, 18207), (14161, 18027)]