1696221

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:542

約数の個数: 20

約数和(自身を含む): 2598112

約数和(自身を除く): 901891

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 487, 1161, 1461, 3483, 4383, 13149, 20941, 39447, 62823, 188469, 565407, 1696221]

約数ペア:

[(1, 1696221), (3, 565407), (9, 188469), (27, 62823), (43, 39447), (81, 20941), (129, 13149), (387, 4383), (487, 3483), (1161, 1461)]