28409589

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2791}}^1$

素因数の和:2842

約数の個数: 32

約数和(自身を含む): 46905600

約数和(自身を除く): 18496011

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 1131, 2791, 3393, 8373, 10179, 25119, 36283, 75357, 80939, 108849, 242817, 326547, 728451, 979641, 1052207, 2185353, 3156621, 9469863, 28409589]

約数ペア:

[(1, 28409589), (3, 9469863), (9, 3156621), (13, 2185353), (27, 1052207), (29, 979641), (39, 728451), (87, 326547), (117, 242817), (261, 108849), (351, 80939), (377, 75357), (783, 36283), (1131, 25119), (2791, 10179), (3393, 8373)]