163191

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 262400

約数和(自身を除く): 99209

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 409, 1227, 2863, 7771, 8589, 23313, 54397, 163191]

約数ペア:

[(1, 163191), (3, 54397), (7, 23313), (19, 8589), (21, 7771), (57, 2863), (133, 1227), (399, 409)]