393127973

素因数分解:

$7^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1661

約数の個数: 24

約数和(自身を含む): 476443968

約数和(自身を除く): 83315995

約数列:

[1, 7, 29, 43, 203, 301, 841, 1247, 1553, 5887, 8729, 10871, 36163, 45037, 66779, 253141, 315259, 467453, 1306073, 1936591, 9142511, 13556137, 56161139, 393127973]

約数ペア:

[(1, 393127973), (7, 56161139), (29, 13556137), (43, 9142511), (203, 1936591), (301, 1306073), (841, 467453), (1247, 315259), (1553, 253141), (5887, 66779), (8729, 45037), (10871, 36163)]