28821441

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 14516799

約数列:

[1, 3, 11, 33, 59, 113, 131, 177, 339, 393, 649, 1243, 1441, 1947, 3729, 4323, 6667, 7729, 14803, 20001, 23187, 44409, 73337, 85019, 162833, 220011, 255057, 488499, 873377, 2620131, 9607147, 28821441]

約数ペア:

[(1, 28821441), (3, 9607147), (11, 2620131), (33, 873377), (59, 488499), (113, 255057), (131, 220011), (177, 162833), (339, 85019), (393, 73337), (649, 44409), (1243, 23187), (1441, 20001), (1947, 14803), (3729, 7729), (4323, 6667)]