39747429

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{16921}}^1$

素因数の和:16962

約数の個数: 20

約数和(自身を含む): 61426860

約数和(自身を除く): 21679431

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 16921, 50763, 152289, 456867, 490709, 1370601, 1472127, 4416381, 13249143, 39747429]

約数ペア:

[(1, 39747429), (3, 13249143), (9, 4416381), (27, 1472127), (29, 1370601), (81, 490709), (87, 456867), (261, 152289), (783, 50763), (2349, 16921)]