27408213

素因数分解:

$3^6\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 56

約数和(自身を含む): 48476736

約数和(自身を除く): 21068523

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 131, 189, 243, 287, 369, 393, 567, 729, 861, 917, 1107, 1179, 1701, 2583, 2751, 3321, 3537, 5103, 5371, 7749, 8253, 9963, 10611, 16113, 23247, 24759, 29889, 31833, 37597, 48339, 69741, 74277, 95499, 112791, 145017, 209223, 222831, 338373, 435051, 668493, 1015119, 1305153, 3045357, 3915459, 9136071, 27408213]

約数ペア:

[(1, 27408213), (3, 9136071), (7, 3915459), (9, 3045357), (21, 1305153), (27, 1015119), (41, 668493), (63, 435051), (81, 338373), (123, 222831), (131, 209223), (189, 145017), (243, 112791), (287, 95499), (369, 74277), (393, 69741), (567, 48339), (729, 37597), (861, 31833), (917, 29889), (1107, 24759), (1179, 23247), (1701, 16113), (2583, 10611), (2751, 9963), (3321, 8253), (3537, 7749), (5103, 5371)]