208070919

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173827}}^1$

素因数の和:173859

約数の個数: 24

約数和(自身を含む): 361562240

約数和(自身を除く): 153491321

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 173827, 521481, 1216789, 1564443, 3302713, 3650367, 9908139, 10951101, 23118991, 29724417, 69356973, 208070919]

約数ペア:

[(1, 208070919), (3, 69356973), (7, 29724417), (9, 23118991), (19, 10951101), (21, 9908139), (57, 3650367), (63, 3302713), (133, 1564443), (171, 1216789), (399, 521481), (1197, 173827)]