689461389

素因数分解:

$3^4\times {\mathrm{619}}^1\times {\mathrm{13751}}^1$

素因数の和:14382

約数の個数: 20

約数和(自身を含む): 1031675040

約数和(自身を除く): 342213651

約数列:

[1, 3, 9, 27, 81, 619, 1857, 5571, 13751, 16713, 41253, 50139, 123759, 371277, 1113831, 8511869, 25535607, 76606821, 229820463, 689461389]

約数ペア:

[(1, 689461389), (3, 229820463), (9, 76606821), (27, 25535607), (81, 8511869), (619, 1113831), (1857, 371277), (5571, 123759), (13751, 50139), (16713, 41253)]