12953991

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 19514880

約数和(自身を除く): 6560889

約数列:

[1, 3, 19, 23, 41, 57, 69, 123, 241, 437, 723, 779, 943, 1311, 2337, 2829, 4579, 5543, 9881, 13737, 16629, 17917, 29643, 53751, 105317, 187739, 227263, 315951, 563217, 681789, 4317997, 12953991]

約数ペア:

[(1, 12953991), (3, 4317997), (19, 681789), (23, 563217), (41, 315951), (57, 227263), (69, 187739), (123, 105317), (241, 53751), (437, 29643), (723, 17917), (779, 16629), (943, 13737), (1311, 9881), (2337, 5543), (2829, 4579)]