438778821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{115987}}^1$

素因数の和:116100

約数の個数: 16

約数和(自身を含む): 636542144

約数和(自身を除く): 197763323

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 115987, 347961, 1507831, 4523493, 11250739, 33752217, 146259607, 438778821]

約数ペア:

[(1, 438778821), (3, 146259607), (13, 33752217), (39, 11250739), (97, 4523493), (291, 1507831), (1261, 347961), (3783, 115987)]