28363209

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{8389}}^1$

素因数の和:8429

約数の個数: 24

約数和(自身を含む): 45910080

約数和(自身を除く): 17546871

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 8389, 25167, 58723, 176169, 192947, 411061, 578841, 1233183, 1350629, 4051887, 9454403, 28363209]

約数ペア:

[(1, 28363209), (3, 9454403), (7, 4051887), (21, 1350629), (23, 1233183), (49, 578841), (69, 411061), (147, 192947), (161, 176169), (483, 58723), (1127, 25167), (3381, 8389)]