220020783

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1753}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 327338496

約数和(自身を除く): 107317713

約数列:

[1, 3, 17, 23, 51, 69, 107, 321, 391, 1173, 1753, 1819, 2461, 5259, 5457, 7383, 29801, 40319, 41837, 89403, 120957, 125511, 187571, 562713, 685423, 2056269, 3188707, 4314133, 9566121, 12942399, 73340261, 220020783]

約数ペア:

[(1, 220020783), (3, 73340261), (17, 12942399), (23, 9566121), (51, 4314133), (69, 3188707), (107, 2056269), (321, 685423), (391, 562713), (1173, 187571), (1753, 125511), (1819, 120957), (2461, 89403), (5259, 41837), (5457, 40319), (7383, 29801)]