1683423

素因数分解:

$3^4\times 7^1\times {\mathrm{2969}}^1$

素因数の和:2988

約数の個数: 20

約数和(自身を含む): 2874960

約数和(自身を除く): 1191537

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2969, 8907, 20783, 26721, 62349, 80163, 187047, 240489, 561141, 1683423]

約数ペア:

[(1, 1683423), (3, 561141), (7, 240489), (9, 187047), (21, 80163), (27, 62349), (63, 26721), (81, 20783), (189, 8907), (567, 2969)]