28406961

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6673}}^1$

素因数の和:6733

約数の個数: 24

約数和(自身を含む): 45810336

約数和(自身を除く): 17403375

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 6673, 20019, 60057, 73403, 220209, 286939, 660627, 860817, 2582451, 3156329, 9468987, 28406961]

約数ペア:

[(1, 28406961), (3, 9468987), (9, 3156329), (11, 2582451), (33, 860817), (43, 660627), (99, 286939), (129, 220209), (387, 73403), (473, 60057), (1419, 20019), (4257, 6673)]