27757989

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 48282624

約数和(自身を除く): 20524635

約数列:

[1, 3, 7, 9, 21, 31, 61, 63, 93, 183, 217, 233, 279, 427, 549, 651, 699, 1281, 1631, 1891, 1953, 2097, 3843, 4893, 5673, 7223, 13237, 14213, 14679, 17019, 21669, 39711, 42639, 50561, 65007, 99491, 119133, 127917, 151683, 298473, 440603, 455049, 895419, 1321809, 3084221, 3965427, 9252663, 27757989]

約数ペア:

[(1, 27757989), (3, 9252663), (7, 3965427), (9, 3084221), (21, 1321809), (31, 895419), (61, 455049), (63, 440603), (93, 298473), (183, 151683), (217, 127917), (233, 119133), (279, 99491), (427, 65007), (549, 50561), (651, 42639), (699, 39711), (1281, 21669), (1631, 17019), (1891, 14679), (1953, 14213), (2097, 13237), (3843, 7223), (4893, 5673)]