27256257

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:979

約数の個数: 40

約数和(自身を含む): 47462976

約数和(自身を除く): 20206719

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 907, 1113, 1431, 2721, 3339, 4293, 6349, 8163, 10017, 19047, 24489, 30051, 48071, 57141, 73467, 144213, 171423, 336497, 432639, 514269, 1009491, 1297917, 3028473, 3893751, 9085419, 27256257]

約数ペア:

[(1, 27256257), (3, 9085419), (7, 3893751), (9, 3028473), (21, 1297917), (27, 1009491), (53, 514269), (63, 432639), (81, 336497), (159, 171423), (189, 144213), (371, 73467), (477, 57141), (567, 48071), (907, 30051), (1113, 24489), (1431, 19047), (2721, 10017), (3339, 8163), (4293, 6349)]