170721123

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1301}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 251983872

約数和(自身を除く): 81262749

約数列:

[1, 3, 17, 31, 51, 83, 93, 249, 527, 1301, 1411, 1581, 2573, 3903, 4233, 7719, 22117, 40331, 43741, 66351, 107983, 120993, 131223, 323949, 685627, 1835711, 2056881, 3347473, 5507133, 10042419, 56907041, 170721123]

約数ペア:

[(1, 170721123), (3, 56907041), (17, 10042419), (31, 5507133), (51, 3347473), (83, 2056881), (93, 1835711), (249, 685627), (527, 323949), (1301, 131223), (1411, 120993), (1581, 107983), (2573, 66351), (3903, 43741), (4233, 40331), (7719, 22117)]