16659189

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{4783}}^1$

素因数の和:4838

約数の個数: 20

約数和(自身を含む): 25470016

約数和(自身を除く): 8810827

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 4783, 14349, 43047, 129141, 205669, 387423, 617007, 1851021, 5553063, 16659189]

約数ペア:

[(1, 16659189), (3, 5553063), (9, 1851021), (27, 617007), (43, 387423), (81, 205669), (129, 129141), (387, 43047), (1161, 14349), (3483, 4783)]