231309

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:681

約数の個数: 16

約数和(自身を含む): 369600

約数和(自身を除く): 138291

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 659, 1977, 5931, 8567, 17793, 25701, 77103, 231309]

約数ペア:

[(1, 231309), (3, 77103), (9, 25701), (13, 17793), (27, 8567), (39, 5931), (117, 1977), (351, 659)]