220665

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 361728

約数和(自身を除く): 141063

約数列:

[1, 3, 5, 15, 47, 141, 235, 313, 705, 939, 1565, 4695, 14711, 44133, 73555, 220665]

約数ペア:

[(1, 220665), (3, 73555), (5, 44133), (15, 14711), (47, 4695), (141, 1565), (235, 939), (313, 705)]