1220404773

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1236479}}^1$

素因数の和:1236536

約数の個数: 16

約数和(自身を含む): 1899233280

約数和(自身を除く): 678828507

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 1236479, 3709437, 8655353, 25966059, 58114513, 174343539, 406801591, 1220404773]

約数ペア:

[(1, 1220404773), (3, 406801591), (7, 174343539), (21, 58114513), (47, 25966059), (141, 8655353), (329, 3709437), (987, 1236479)]