27121257

素因数分解:

$3^3\times {\mathrm{503}}^1\times {\mathrm{1997}}^1$

素因数の和:2509

約数の個数: 16

約数和(自身を含む): 40279680

約数和(自身を除く): 13158423

約数列:

[1, 3, 9, 27, 503, 1509, 1997, 4527, 5991, 13581, 17973, 53919, 1004491, 3013473, 9040419, 27121257]

約数ペア:

[(1, 27121257), (3, 9040419), (9, 3013473), (27, 1004491), (503, 53919), (1509, 17973), (1997, 13581), (4527, 5991)]