173812473

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{30223}}^1$

素因数の和:30306

約数の個数: 20

約数和(自身を含む): 263311488

約数和(自身を除く): 89499015

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 30223, 90669, 272007, 816021, 2145833, 2448063, 6437499, 19312497, 57937491, 173812473]

約数ペア:

[(1, 173812473), (3, 57937491), (9, 19312497), (27, 6437499), (71, 2448063), (81, 2145833), (213, 816021), (639, 272007), (1917, 90669), (5751, 30223)]