42131565

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1021}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 84180096

約数和(自身を除く): 42048531

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 131, 315, 393, 655, 917, 1021, 1179, 1965, 2751, 3063, 4585, 5105, 5895, 7147, 8253, 9189, 13755, 15315, 21441, 35735, 41265, 45945, 64323, 107205, 133751, 321615, 401253, 668755, 936257, 1203759, 2006265, 2808771, 4681285, 6018795, 8426313, 14043855, 42131565]

約数ペア:

[(1, 42131565), (3, 14043855), (5, 8426313), (7, 6018795), (9, 4681285), (15, 2808771), (21, 2006265), (35, 1203759), (45, 936257), (63, 668755), (105, 401253), (131, 321615), (315, 133751), (393, 107205), (655, 64323), (917, 45945), (1021, 41265), (1179, 35735), (1965, 21441), (2751, 15315), (3063, 13755), (4585, 9189), (5105, 8253), (5895, 7147)]