189798903

素因数分解:

$3^3\times 7^2\times {\mathrm{143461}}^1$

素因数の和:143484

約数の個数: 24

約数和(自身を含む): 327093360

約数和(自身を除く): 137294457

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 143461, 430383, 1004227, 1291149, 3012681, 3873447, 7029589, 9038043, 21088767, 27114129, 63266301, 189798903]

約数ペア:

[(1, 189798903), (3, 63266301), (7, 27114129), (9, 21088767), (21, 9038043), (27, 7029589), (49, 3873447), (63, 3012681), (147, 1291149), (189, 1004227), (441, 430383), (1323, 143461)]