7879221

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:950

約数の個数: 32

約数和(自身を含む): 13639680

約数和(自身を除く): 5760459

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 887, 987, 1269, 2661, 2961, 6209, 7983, 8883, 18627, 23949, 41689, 55881, 125067, 167643, 291823, 375201, 875469, 1125603, 2626407, 7879221]

約数ペア:

[(1, 7879221), (3, 2626407), (7, 1125603), (9, 875469), (21, 375201), (27, 291823), (47, 167643), (63, 125067), (141, 55881), (189, 41689), (329, 23949), (423, 18627), (887, 8883), (987, 7983), (1269, 6209), (2661, 2961)]