42689907

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 71285760

約数和(自身を除く): 28595853

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 127, 153, 169, 221, 381, 507, 663, 1143, 1521, 1651, 1989, 2159, 2197, 2873, 4953, 6477, 6591, 8619, 14859, 19431, 19773, 21463, 25857, 28067, 37349, 64389, 84201, 112047, 193167, 252603, 279019, 336141, 364871, 837057, 1094613, 2511171, 3283839, 4743323, 14229969, 42689907]

約数ペア:

[(1, 42689907), (3, 14229969), (9, 4743323), (13, 3283839), (17, 2511171), (39, 1094613), (51, 837057), (117, 364871), (127, 336141), (153, 279019), (169, 252603), (221, 193167), (381, 112047), (507, 84201), (663, 64389), (1143, 37349), (1521, 28067), (1651, 25857), (1989, 21463), (2159, 19773), (2197, 19431), (2873, 14859), (4953, 8619), (6477, 6591)]