1224915

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 1978368

約数和(自身を除く): 753453

約数列:

[1, 3, 5, 15, 127, 381, 635, 643, 1905, 1929, 3215, 9645, 81661, 244983, 408305, 1224915]

約数ペア:

[(1, 1224915), (3, 408305), (5, 244983), (15, 81661), (127, 9645), (381, 3215), (635, 1929), (643, 1905)]