161716419

素因数分解:

$3^4\times {\mathrm{499}}^1\times {\mathrm{4001}}^1$

素因数の和:4512

約数の個数: 20

約数和(自身を含む): 242121000

約数和(自身を除く): 80404581

約数列:

[1, 3, 9, 27, 81, 499, 1497, 4001, 4491, 12003, 13473, 36009, 40419, 108027, 324081, 1996499, 5989497, 17968491, 53905473, 161716419]

約数ペア:

[(1, 161716419), (3, 53905473), (9, 17968491), (27, 5989497), (81, 1996499), (499, 324081), (1497, 108027), (4001, 40419), (4491, 36009), (12003, 13473)]