54775281

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 82758528

約数和(自身を除く): 27983247

約数列:

[1, 3, 11, 33, 37, 111, 113, 339, 397, 407, 1191, 1221, 1243, 3729, 4181, 4367, 12543, 13101, 14689, 44067, 44861, 45991, 134583, 137973, 161579, 484737, 493471, 1480413, 1659857, 4979571, 18258427, 54775281]

約数ペア:

[(1, 54775281), (3, 18258427), (11, 4979571), (33, 1659857), (37, 1480413), (111, 493471), (113, 484737), (339, 161579), (397, 137973), (407, 134583), (1191, 45991), (1221, 44861), (1243, 44067), (3729, 14689), (4181, 13101), (4367, 12543)]