28089369

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 52992000

約数和(自身を除く): 24902631

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 59, 63, 77, 99, 177, 189, 229, 231, 297, 413, 531, 649, 687, 693, 1239, 1593, 1603, 1947, 2061, 2079, 2519, 3717, 4543, 4809, 5841, 6183, 7557, 11151, 13511, 13629, 14427, 17523, 17633, 22671, 40533, 40887, 43281, 52899, 68013, 94577, 121599, 122661, 148621, 158697, 283731, 364797, 445863, 476091, 851193, 1040347, 1337589, 2553579, 3121041, 4012767, 9363123, 28089369]

約数ペア:

[(1, 28089369), (3, 9363123), (7, 4012767), (9, 3121041), (11, 2553579), (21, 1337589), (27, 1040347), (33, 851193), (59, 476091), (63, 445863), (77, 364797), (99, 283731), (177, 158697), (189, 148621), (229, 122661), (231, 121599), (297, 94577), (413, 68013), (531, 52899), (649, 43281), (687, 40887), (693, 40533), (1239, 22671), (1593, 17633), (1603, 17523), (1947, 14427), (2061, 13629), (2079, 13511), (2519, 11151), (3717, 7557), (4543, 6183), (4809, 5841)]