66798711

素因数分解:

$3^2\times 7^2\times {\mathrm{151471}}^1$

素因数の和:151491

約数の個数: 18

約数和(自身を含む): 112240752

約数和(自身を除く): 45442041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 151471, 454413, 1060297, 1363239, 3180891, 7422079, 9542673, 22266237, 66798711]

約数ペア:

[(1, 66798711), (3, 22266237), (7, 9542673), (9, 7422079), (21, 3180891), (49, 1363239), (63, 1060297), (147, 454413), (441, 151471)]