247228887

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{26993}}^1$

素因数の和:27110

約数の個数: 16

約数和(自身を含む): 342067968

約数和(自身を除く): 94839081

約数列:

[1, 3, 43, 71, 129, 213, 3053, 9159, 26993, 80979, 1160699, 1916503, 3482097, 5749509, 82409629, 247228887]

約数ペア:

[(1, 247228887), (3, 82409629), (43, 5749509), (71, 3482097), (129, 1916503), (213, 1160699), (3053, 80979), (9159, 26993)]