138769827

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{388711}}^1$

素因数の和:388738

約数の個数: 16

約数和(自身を含む): 223898112

約数和(自身を除く): 85128285

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 388711, 1166133, 2720977, 6608087, 8162931, 19824261, 46256609, 138769827]

約数ペア:

[(1, 138769827), (3, 46256609), (7, 19824261), (17, 8162931), (21, 6608087), (51, 2720977), (119, 1166133), (357, 388711)]