820683669141

素因数分解:

$3^2\times 7^2\times {\mathrm{6961}}^1\times {\mathrm{267341}}^1$

素因数の和:274322

約数の個数: 36

約数和(自身を含む): 1379175137964

約数和(自身を除く): 558491468823

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6961, 20883, 48727, 62649, 146181, 267341, 341089, 438543, 802023, 1023267, 1871387, 2406069, 3069801, 5614161, 13099709, 16842483, 39299127, 117897381, 1860960701, 5582882103, 13026724907, 16748646309, 39080174721, 91187074349, 117240524163, 273561223047, 820683669141]

約数ペア:

[(1, 820683669141), (3, 273561223047), (7, 117240524163), (9, 91187074349), (21, 39080174721), (49, 16748646309), (63, 13026724907), (147, 5582882103), (441, 1860960701), (6961, 117897381), (20883, 39299127), (48727, 16842483), (62649, 13099709), (146181, 5614161), (267341, 3069801), (341089, 2406069), (438543, 1871387), (802023, 1023267)]