17560557

素因数分解:

$3^4\times 7^1\times {\mathrm{30971}}^1$

素因数の和:30990

約数の個数: 20

約数和(自身を含む): 29980896

約数和(自身を除く): 12420339

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 30971, 92913, 216797, 278739, 650391, 836217, 1951173, 2508651, 5853519, 17560557]

約数ペア:

[(1, 17560557), (3, 5853519), (7, 2508651), (9, 1951173), (21, 836217), (27, 650391), (63, 278739), (81, 216797), (189, 92913), (567, 30971)]