216646773

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{145303}}^1$

素因数の和:145384

約数の個数: 16

約数和(自身を含む): 334780416

約数和(自身を除く): 118133643

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 145303, 435909, 1017121, 3051363, 10316513, 30949539, 72215591, 216646773]

約数ペア:

[(1, 216646773), (3, 72215591), (7, 30949539), (21, 10316513), (71, 3051363), (213, 1017121), (497, 435909), (1491, 145303)]