388889421

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{10487}}^1$

素因数の和:10800

約数の個数: 16

約数和(自身を含む): 531615744

約数和(自身を除く): 142726323

約数列:

[1, 3, 47, 141, 263, 789, 10487, 12361, 31461, 37083, 492889, 1478667, 2758081, 8274243, 129629807, 388889421]

約数ペア:

[(1, 388889421), (3, 129629807), (47, 8274243), (141, 2758081), (263, 1478667), (789, 492889), (10487, 37083), (12361, 31461)]