178390917

素因数分解:

$3^5\times {\mathrm{67}}^1\times {\mathrm{10957}}^1$

素因数の和:11039

約数の個数: 24

約数和(自身を含む): 271232416

約数和(自身を除く): 92841499

約数列:

[1, 3, 9, 27, 67, 81, 201, 243, 603, 1809, 5427, 10957, 16281, 32871, 98613, 295839, 734119, 887517, 2202357, 2662551, 6607071, 19821213, 59463639, 178390917]

約数ペア:

[(1, 178390917), (3, 59463639), (9, 19821213), (27, 6607071), (67, 2662551), (81, 2202357), (201, 887517), (243, 734119), (603, 295839), (1809, 98613), (5427, 32871), (10957, 16281)]