26880813

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 43130880

約数和(自身を除く): 16250067

約数列:

[1, 3, 9, 23, 31, 59, 69, 71, 93, 177, 207, 213, 279, 531, 639, 713, 1357, 1633, 1829, 2139, 2201, 4071, 4189, 4899, 5487, 6417, 6603, 12213, 12567, 14697, 16461, 19809, 37701, 42067, 50623, 96347, 126201, 129859, 151869, 289041, 378603, 389577, 455607, 867123, 1168731, 2986757, 8960271, 26880813]

約数ペア:

[(1, 26880813), (3, 8960271), (9, 2986757), (23, 1168731), (31, 867123), (59, 455607), (69, 389577), (71, 378603), (93, 289041), (177, 151869), (207, 129859), (213, 126201), (279, 96347), (531, 50623), (639, 42067), (713, 37701), (1357, 19809), (1633, 16461), (1829, 14697), (2139, 12567), (2201, 12213), (4071, 6603), (4189, 6417), (4899, 5487)]