1290061563

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{461891}}^1$

素因数の和:461927

約数の個数: 24

約数和(自身を含む): 2106227520

約数和(自身を除く): 816165957

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 461891, 1385673, 3233237, 8775929, 9699711, 22632659, 26327787, 61431503, 67897977, 184294509, 430020521, 1290061563]

約数ペア:

[(1, 1290061563), (3, 430020521), (7, 184294509), (19, 67897977), (21, 61431503), (49, 26327787), (57, 22632659), (133, 9699711), (147, 8775929), (399, 3233237), (931, 1385673), (2793, 461891)]