277745439

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6991}}^1$

素因数の和:7071

約数の個数: 32

約数和(自身を含む): 422876160

約数和(自身を除く): 145130721

約数列:

[1, 3, 17, 19, 41, 51, 57, 123, 323, 697, 779, 969, 2091, 2337, 6991, 13243, 20973, 39729, 118847, 132829, 286631, 356541, 398487, 859893, 2258093, 4872727, 5445989, 6774279, 14618181, 16337967, 92581813, 277745439]

約数ペア:

[(1, 277745439), (3, 92581813), (17, 16337967), (19, 14618181), (41, 6774279), (51, 5445989), (57, 4872727), (123, 2258093), (323, 859893), (697, 398487), (779, 356541), (969, 286631), (2091, 132829), (2337, 118847), (6991, 39729), (13243, 20973)]