189901995

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 308862720

約数和(自身を除く): 118960725

約数列:

[1, 3, 5, 15, 107, 179, 321, 535, 537, 661, 895, 1605, 1983, 2685, 3305, 9915, 19153, 57459, 70727, 95765, 118319, 212181, 287295, 353635, 354957, 591595, 1060905, 1774785, 12660133, 37980399, 63300665, 189901995]

約数ペア:

[(1, 189901995), (3, 63300665), (5, 37980399), (15, 12660133), (107, 1774785), (179, 1060905), (321, 591595), (535, 354957), (537, 353635), (661, 287295), (895, 212181), (1605, 118319), (1983, 95765), (2685, 70727), (3305, 57459), (9915, 19153)]