989919

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 1722240

約数和(自身を除く): 732321

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 827, 1197, 2481, 5789, 7443, 15713, 17367, 47139, 52101, 109991, 141417, 329973, 989919]

約数ペア:

[(1, 989919), (3, 329973), (7, 141417), (9, 109991), (19, 52101), (21, 47139), (57, 17367), (63, 15713), (133, 7443), (171, 5789), (399, 2481), (827, 1197)]