220116441

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 312035328

約数和(自身を除く): 91918887

約数列:

[1, 3, 37, 43, 107, 111, 129, 321, 431, 1293, 1591, 3959, 4601, 4773, 11877, 13803, 15947, 18533, 46117, 47841, 55599, 138351, 170237, 510711, 685721, 1706329, 1983031, 2057163, 5118987, 5949093, 73372147, 220116441]

約数ペア:

[(1, 220116441), (3, 73372147), (37, 5949093), (43, 5118987), (107, 2057163), (111, 1983031), (129, 1706329), (321, 685721), (431, 510711), (1293, 170237), (1591, 138351), (3959, 55599), (4601, 47841), (4773, 46117), (11877, 18533), (13803, 15947)]