205650897

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 290138112

約数和(自身を除く): 84487215

約数列:

[1, 3, 43, 47, 107, 129, 141, 317, 321, 951, 2021, 4601, 5029, 6063, 13631, 13803, 14899, 15087, 33919, 40893, 44697, 101757, 216247, 640657, 648741, 1458517, 1594193, 1921971, 4375551, 4782579, 68550299, 205650897]

約数ペア:

[(1, 205650897), (3, 68550299), (43, 4782579), (47, 4375551), (107, 1921971), (129, 1594193), (141, 1458517), (317, 648741), (321, 640657), (951, 216247), (2021, 101757), (4601, 44697), (5029, 40893), (6063, 33919), (13631, 15087), (13803, 14899)]