42865605

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2067

約数の個数: 40

約数和(自身を含む): 78329592

約数和(自身を除く): 35463987

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 1997, 2385, 4293, 5991, 7155, 9985, 17973, 21465, 29955, 53919, 89865, 105841, 161757, 269595, 317523, 529205, 808785, 952569, 1587615, 2857707, 4762845, 8573121, 14288535, 42865605]

約数ペア:

[(1, 42865605), (3, 14288535), (5, 8573121), (9, 4762845), (15, 2857707), (27, 1587615), (45, 952569), (53, 808785), (81, 529205), (135, 317523), (159, 269595), (265, 161757), (405, 105841), (477, 89865), (795, 53919), (1431, 29955), (1997, 21465), (2385, 17973), (4293, 9985), (5991, 7155)]