128000991

素因数分解:

$3^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1\times {\mathrm{1069}}^1$

素因数の和:1478

約数の個数: 16

約数和(自身を含む): 172569600

約数和(自身を除く): 44568609

約数列:

[1, 3, 167, 239, 501, 717, 1069, 3207, 39913, 119739, 178523, 255491, 535569, 766473, 42666997, 128000991]

約数ペア:

[(1, 128000991), (3, 42666997), (167, 766473), (239, 535569), (501, 255491), (717, 178523), (1069, 119739), (3207, 39913)]