27400555

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1268

約数の個数: 32

約数和(自身を含む): 41328000

約数和(自身を除く): 13927445

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 343, 455, 637, 1229, 1715, 3185, 4459, 6145, 8603, 15977, 22295, 43015, 60221, 79885, 111839, 301105, 421547, 559195, 782873, 2107735, 3914365, 5480111, 27400555]

約数ペア:

[(1, 27400555), (5, 5480111), (7, 3914365), (13, 2107735), (35, 782873), (49, 559195), (65, 421547), (91, 301105), (245, 111839), (343, 79885), (455, 60221), (637, 43015), (1229, 22295), (1715, 15977), (3185, 8603), (4459, 6145)]