87591699

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 141970752

約数和(自身を除く): 54379053

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 193, 351, 431, 579, 1053, 1293, 1737, 2509, 3879, 5211, 5603, 7527, 11637, 15633, 16809, 22581, 34911, 50427, 67743, 83183, 151281, 203229, 249549, 453843, 748647, 1081379, 2245941, 3244137, 6737823, 9732411, 29197233, 87591699]

約数ペア:

[(1, 87591699), (3, 29197233), (9, 9732411), (13, 6737823), (27, 3244137), (39, 2245941), (81, 1081379), (117, 748647), (193, 453843), (351, 249549), (431, 203229), (579, 151281), (1053, 83183), (1293, 67743), (1737, 50427), (2509, 34911), (3879, 22581), (5211, 16809), (5603, 15633), (7527, 11637)]