388537413

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 599840640

約数和(自身を除く): 211303227

約数列:

[1, 3, 11, 23, 33, 69, 121, 173, 253, 269, 363, 519, 759, 807, 1903, 2783, 2959, 3979, 5709, 6187, 8349, 8877, 11937, 18561, 20933, 32549, 43769, 46537, 62799, 68057, 97647, 131307, 139611, 204171, 481459, 511907, 748627, 1070351, 1444377, 1535721, 2245881, 3211053, 5630977, 11773861, 16892931, 35321583, 129512471, 388537413]

約数ペア:

[(1, 388537413), (3, 129512471), (11, 35321583), (23, 16892931), (33, 11773861), (69, 5630977), (121, 3211053), (173, 2245881), (253, 1535721), (269, 1444377), (363, 1070351), (519, 748627), (759, 511907), (807, 481459), (1903, 204171), (2783, 139611), (2959, 131307), (3979, 97647), (5709, 68057), (6187, 62799), (8349, 46537), (8877, 43769), (11937, 32549), (18561, 20933)]