7928739

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 14747040

約数和(自身を除く): 6818301

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 461, 637, 819, 1323, 1383, 1911, 2457, 3227, 4149, 5733, 5993, 9681, 12447, 17199, 17979, 22589, 29043, 41951, 53937, 67767, 87129, 125853, 161811, 203301, 293657, 377559, 609903, 880971, 1132677, 2642913, 7928739]

約数ペア:

[(1, 7928739), (3, 2642913), (7, 1132677), (9, 880971), (13, 609903), (21, 377559), (27, 293657), (39, 203301), (49, 161811), (63, 125853), (91, 87129), (117, 67767), (147, 53937), (189, 41951), (273, 29043), (351, 22589), (441, 17979), (461, 17199), (637, 12447), (819, 9681), (1323, 5993), (1383, 5733), (1911, 4149), (2457, 3227)]