919947309

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1433}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 1305054720

約数和(自身を除く): 385107411

約数列:

[1, 3, 29, 47, 87, 141, 157, 471, 1363, 1433, 4089, 4299, 4553, 7379, 13659, 22137, 41557, 67351, 124671, 202053, 213991, 224981, 641973, 674943, 1953179, 5859537, 6524449, 10574107, 19573347, 31722321, 306649103, 919947309]

約数ペア:

[(1, 919947309), (3, 306649103), (29, 31722321), (47, 19573347), (87, 10574107), (141, 6524449), (157, 5859537), (471, 1953179), (1363, 674943), (1433, 641973), (4089, 224981), (4299, 213991), (4553, 202053), (7379, 124671), (13659, 67351), (22137, 41557)]