72090921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{180679}}^1$

素因数の和:180708

約数の個数: 16

約数和(自身を含む): 115635200

約数和(自身を除く): 43544279

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 180679, 542037, 1264753, 3432901, 3794259, 10298703, 24030307, 72090921]

約数ペア:

[(1, 72090921), (3, 24030307), (7, 10298703), (19, 3794259), (21, 3432901), (57, 1264753), (133, 542037), (399, 180679)]