990213

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{773}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 1535616

約数和(自身を除く): 545403

約数列:

[1, 3, 7, 21, 61, 183, 427, 773, 1281, 2319, 5411, 16233, 47153, 141459, 330071, 990213]

約数ペア:

[(1, 990213), (3, 330071), (7, 141459), (21, 47153), (61, 16233), (183, 5411), (427, 2319), (773, 1281)]