3647997

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{1553}}^1$

素因数の和:1594

約数の個数: 20

約数和(自身を含む): 5641020

約数和(自身を除く): 1993023

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 1553, 2349, 4659, 13977, 41931, 45037, 125793, 135111, 405333, 1215999, 3647997]

約数ペア:

[(1, 3647997), (3, 1215999), (9, 405333), (27, 135111), (29, 125793), (81, 45037), (87, 41931), (261, 13977), (783, 4659), (1553, 2349)]