27777519

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 25306641

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 63, 77, 93, 99, 189, 217, 231, 279, 297, 341, 431, 651, 693, 837, 1023, 1293, 1953, 2079, 2387, 3017, 3069, 3879, 4741, 5859, 7161, 9051, 9207, 11637, 13361, 14223, 21483, 27153, 33187, 40083, 42669, 64449, 81459, 93527, 99561, 120249, 128007, 146971, 280581, 298683, 360747, 440913, 841743, 896049, 1028797, 1322739, 2525229, 3086391, 3968217, 9259173, 27777519]

約数ペア:

[(1, 27777519), (3, 9259173), (7, 3968217), (9, 3086391), (11, 2525229), (21, 1322739), (27, 1028797), (31, 896049), (33, 841743), (63, 440913), (77, 360747), (93, 298683), (99, 280581), (189, 146971), (217, 128007), (231, 120249), (279, 99561), (297, 93527), (341, 81459), (431, 64449), (651, 42669), (693, 40083), (837, 33187), (1023, 27153), (1293, 21483), (1953, 14223), (2079, 13361), (2387, 11637), (3017, 9207), (3069, 9051), (3879, 7161), (4741, 5859)]