291216141

素因数分解:

$3^4\times {\mathrm{607}}^1\times {\mathrm{5923}}^1$

素因数の和:6542

約数の個数: 20

約数和(自身を含む): 435816832

約数和(自身を除く): 144600691

約数列:

[1, 3, 9, 27, 81, 607, 1821, 5463, 5923, 16389, 17769, 49167, 53307, 159921, 479763, 3595261, 10785783, 32357349, 97072047, 291216141]

約数ペア:

[(1, 291216141), (3, 97072047), (9, 32357349), (27, 10785783), (81, 3595261), (607, 479763), (1821, 159921), (5463, 53307), (5923, 49167), (16389, 17769)]