2553555

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 4333824

約数和(自身を除く): 1780269

約数列:

[1, 3, 5, 15, 37, 43, 107, 111, 129, 185, 215, 321, 535, 555, 645, 1591, 1605, 3959, 4601, 4773, 7955, 11877, 13803, 19795, 23005, 23865, 59385, 69015, 170237, 510711, 851185, 2553555]

約数ペア:

[(1, 2553555), (3, 851185), (5, 510711), (15, 170237), (37, 69015), (43, 59385), (107, 23865), (111, 23005), (129, 19795), (185, 13803), (215, 11877), (321, 7955), (535, 4773), (555, 4601), (645, 3959), (1591, 1605)]