279235755

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1038

約数の個数: 80

約数和(自身を含む): 539725824

約数和(自身を除く): 260490069

約数列:

[1, 3, 5, 9, 15, 23, 27, 31, 45, 69, 81, 93, 115, 135, 155, 207, 279, 345, 405, 465, 621, 713, 837, 967, 1035, 1395, 1863, 2139, 2511, 2901, 3105, 3565, 4185, 4835, 6417, 8703, 9315, 10695, 12555, 14505, 19251, 22241, 26109, 29977, 32085, 43515, 57753, 66723, 78327, 89931, 96255, 111205, 130545, 149885, 200169, 269793, 288765, 333615, 391635, 449655, 600507, 689471, 809379, 1000845, 1348965, 1801521, 2068413, 2428137, 3002535, 3447355, 4046895, 6205239, 9007605, 10342065, 12140685, 18615717, 31026195, 55847151, 93078585, 279235755]

約数ペア:

[(1, 279235755), (3, 93078585), (5, 55847151), (9, 31026195), (15, 18615717), (23, 12140685), (27, 10342065), (31, 9007605), (45, 6205239), (69, 4046895), (81, 3447355), (93, 3002535), (115, 2428137), (135, 2068413), (155, 1801521), (207, 1348965), (279, 1000845), (345, 809379), (405, 689471), (465, 600507), (621, 449655), (713, 391635), (837, 333615), (967, 288765), (1035, 269793), (1395, 200169), (1863, 149885), (2139, 130545), (2511, 111205), (2901, 96255), (3105, 89931), (3565, 78327), (4185, 66723), (4835, 57753), (6417, 43515), (8703, 32085), (9315, 29977), (10695, 26109), (12555, 22241), (14505, 19251)]