155353989

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{238639}}^1$

素因数の和:238680

約数の個数: 16

約数和(自身を含む): 244367360

約数和(自身を除く): 89013371

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 238639, 715917, 1670473, 5011419, 7397809, 22193427, 51784663, 155353989]

約数ペア:

[(1, 155353989), (3, 51784663), (7, 22193427), (21, 7397809), (31, 5011419), (93, 1670473), (217, 715917), (651, 238639)]