131220807

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{6481}}^1$

素因数の和:6898

約数の個数: 16

約数和(自身を含む): 185748192

約数和(自身を除く): 54527385

約数列:

[1, 3, 17, 51, 397, 1191, 6481, 6749, 19443, 20247, 110177, 330531, 2572957, 7718871, 43740269, 131220807]

約数ペア:

[(1, 131220807), (3, 43740269), (17, 7718871), (51, 2572957), (397, 330531), (1191, 110177), (6481, 20247), (6749, 19443)]