788573961

素因数分解:

$3^4\times 7^1\times {\mathrm{1390783}}^1$

素因数の和:1390802

約数の個数: 20

約数和(自身を含む): 1346278912

約数和(自身を除く): 557704951

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1390783, 4172349, 9735481, 12517047, 29206443, 37551141, 87619329, 112653423, 262857987, 788573961]

約数ペア:

[(1, 788573961), (3, 262857987), (7, 112653423), (9, 87619329), (21, 37551141), (27, 29206443), (63, 12517047), (81, 9735481), (189, 4172349), (567, 1390783)]