157721211

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{1237}}^1$

素因数の和:1731

約数の個数: 24

約数和(自身を含む): 235873664

約数和(自身を除く): 78152453

約数列:

[1, 3, 9, 31, 93, 279, 457, 1237, 1371, 3711, 4113, 11133, 14167, 38347, 42501, 115041, 127503, 345123, 565309, 1695927, 5087781, 17524579, 52573737, 157721211]

約数ペア:

[(1, 157721211), (3, 52573737), (9, 17524579), (31, 5087781), (93, 1695927), (279, 565309), (457, 345123), (1237, 127503), (1371, 115041), (3711, 42501), (4113, 38347), (11133, 14167)]