247788519

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 392999040

約数和(自身を除く): 145210521

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 121, 209, 363, 407, 627, 703, 971, 1221, 2109, 2299, 2913, 4477, 6897, 7733, 10681, 13431, 18449, 23199, 32043, 35927, 55347, 85063, 107781, 117491, 202939, 255189, 352473, 395197, 608817, 682613, 1185591, 2047839, 2232329, 4347167, 6696987, 7508743, 13041501, 22526229, 82596173, 247788519]

約数ペア:

[(1, 247788519), (3, 82596173), (11, 22526229), (19, 13041501), (33, 7508743), (37, 6696987), (57, 4347167), (111, 2232329), (121, 2047839), (209, 1185591), (363, 682613), (407, 608817), (627, 395197), (703, 352473), (971, 255189), (1221, 202939), (2109, 117491), (2299, 107781), (2913, 85063), (4477, 55347), (6897, 35927), (7733, 32043), (10681, 23199), (13431, 18449)]