61247781

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 108066816

約数和(自身を除く): 46819035

約数列:

[1, 3, 7, 9, 21, 23, 43, 63, 69, 129, 161, 207, 301, 387, 483, 903, 983, 989, 1449, 2709, 2949, 2967, 6881, 6923, 8847, 8901, 20643, 20769, 22609, 42269, 61929, 62307, 67827, 126807, 158263, 203481, 295883, 380421, 474789, 887649, 972187, 1424367, 2662947, 2916561, 6805309, 8749683, 20415927, 61247781]

約数ペア:

[(1, 61247781), (3, 20415927), (7, 8749683), (9, 6805309), (21, 2916561), (23, 2662947), (43, 1424367), (63, 972187), (69, 887649), (129, 474789), (161, 380421), (207, 295883), (301, 203481), (387, 158263), (483, 126807), (903, 67827), (983, 62307), (989, 61929), (1449, 42269), (2709, 22609), (2949, 20769), (2967, 20643), (6881, 8901), (6923, 8847)]