28919853

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 42962400

約数和(自身を除く): 14042547

約数列:

[1, 3, 9, 59, 107, 177, 321, 509, 531, 963, 1527, 4581, 6313, 18939, 30031, 54463, 56817, 90093, 163389, 270279, 490167, 3213317, 9639951, 28919853]

約数ペア:

[(1, 28919853), (3, 9639951), (9, 3213317), (59, 490167), (107, 270279), (177, 163389), (321, 90093), (509, 56817), (531, 54463), (963, 30031), (1527, 18939), (4581, 6313)]