7449738561

素因数分解:

$3^4\times {\mathrm{421}}^1\times {\mathrm{218461}}^1$

素因数の和:218894

約数の個数: 20

約数和(自身を含む): 11155106644

約数和(自身を除く): 3705368083

約数列:

[1, 3, 9, 27, 81, 421, 1263, 3789, 11367, 34101, 218461, 655383, 1966149, 5898447, 17695341, 91972081, 275916243, 827748729, 2483246187, 7449738561]

約数ペア:

[(1, 7449738561), (3, 2483246187), (9, 827748729), (27, 275916243), (81, 91972081), (421, 17695341), (1263, 5898447), (3789, 1966149), (11367, 655383), (34101, 218461)]