66780693

素因数分解:

$3^4\times 7^1\times {\mathrm{117779}}^1$

素因数の和:117798

約数の個数: 20

約数和(自身を含む): 114011040

約数和(自身を除く): 47230347

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 117779, 353337, 824453, 1060011, 2473359, 3180033, 7420077, 9540099, 22260231, 66780693]

約数ペア:

[(1, 66780693), (3, 22260231), (7, 9540099), (9, 7420077), (21, 3180033), (27, 2473359), (63, 1060011), (81, 824453), (189, 353337), (567, 117779)]