7781103

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 13208832

約数和(自身を除く): 5427729

約数列:

[1, 3, 9, 11, 27, 33, 41, 71, 81, 99, 123, 213, 243, 297, 369, 451, 639, 781, 891, 1107, 1353, 1917, 2343, 2673, 2911, 3321, 4059, 5751, 7029, 8733, 9963, 12177, 17253, 21087, 26199, 32021, 36531, 63261, 78597, 96063, 109593, 189783, 235791, 288189, 707373, 864567, 2593701, 7781103]

約数ペア:

[(1, 7781103), (3, 2593701), (9, 864567), (11, 707373), (27, 288189), (33, 235791), (41, 189783), (71, 109593), (81, 96063), (99, 78597), (123, 63261), (213, 36531), (243, 32021), (297, 26199), (369, 21087), (451, 17253), (639, 12177), (781, 9963), (891, 8733), (1107, 7029), (1353, 5751), (1917, 4059), (2343, 3321), (2673, 2911)]