66899763

素因数分解:

$3^4\times 7^1\times {\mathrm{117989}}^1$

素因数の和:118008

約数の個数: 20

約数和(自身を含む): 114214320

約数和(自身を除く): 47314557

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 117989, 353967, 825923, 1061901, 2477769, 3185703, 7433307, 9557109, 22299921, 66899763]

約数ペア:

[(1, 66899763), (3, 22299921), (7, 9557109), (9, 7433307), (21, 3185703), (27, 2477769), (63, 1061901), (81, 825923), (189, 353967), (567, 117989)]