4979919

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1783}}^1$

素因数の和:1819

約数の個数: 24

約数和(自身を含む): 8135040

約数和(自身を除く): 3155121

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 1783, 2793, 5349, 12481, 33877, 37443, 87367, 101631, 237139, 262101, 711417, 1659973, 4979919]

約数ペア:

[(1, 4979919), (3, 1659973), (7, 711417), (19, 262101), (21, 237139), (49, 101631), (57, 87367), (133, 37443), (147, 33877), (399, 12481), (931, 5349), (1783, 2793)]