128924991

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1223}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 216530496

約数和(自身を除く): 87605505

約数列:

[1, 3, 9, 13, 17, 39, 51, 53, 117, 153, 159, 221, 477, 663, 689, 901, 1223, 1989, 2067, 2703, 3669, 6201, 8109, 11007, 11713, 15899, 20791, 35139, 47697, 62373, 64819, 105417, 143091, 187119, 194457, 270283, 583371, 810849, 842647, 1101923, 2432547, 2527941, 3305769, 7583823, 9917307, 14324999, 42974997, 128924991]

約数ペア:

[(1, 128924991), (3, 42974997), (9, 14324999), (13, 9917307), (17, 7583823), (39, 3305769), (51, 2527941), (53, 2432547), (117, 1101923), (153, 842647), (159, 810849), (221, 583371), (477, 270283), (663, 194457), (689, 187119), (901, 143091), (1223, 105417), (1989, 64819), (2067, 62373), (2703, 47697), (3669, 35139), (6201, 20791), (8109, 15899), (11007, 11713)]