27280827

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 22485573

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 71, 107, 133, 171, 189, 213, 321, 399, 497, 513, 639, 749, 963, 1197, 1349, 1491, 1917, 2033, 2247, 2889, 3591, 4047, 4473, 6099, 6741, 7597, 9443, 12141, 13419, 14231, 18297, 20223, 22791, 28329, 36423, 42693, 53179, 54891, 68373, 84987, 128079, 144343, 159537, 205119, 254961, 384237, 433029, 478611, 1010401, 1299087, 1435833, 3031203, 3897261, 9093609, 27280827]

約数ペア:

[(1, 27280827), (3, 9093609), (7, 3897261), (9, 3031203), (19, 1435833), (21, 1299087), (27, 1010401), (57, 478611), (63, 433029), (71, 384237), (107, 254961), (133, 205119), (171, 159537), (189, 144343), (213, 128079), (321, 84987), (399, 68373), (497, 54891), (513, 53179), (639, 42693), (749, 36423), (963, 28329), (1197, 22791), (1349, 20223), (1491, 18297), (1917, 14231), (2033, 13419), (2247, 12141), (2889, 9443), (3591, 7597), (4047, 6741), (4473, 6099)]