218212413

素因数分解:

$3^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1\times {\mathrm{743}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 293314560

約数和(自身を除く): 75102147

約数列:

[1, 3, 223, 439, 669, 743, 1317, 2229, 97897, 165689, 293691, 326177, 497067, 978531, 72737471, 218212413]

約数ペア:

[(1, 218212413), (3, 72737471), (223, 978531), (439, 497067), (669, 326177), (743, 293691), (1317, 165689), (2229, 97897)]