78149967

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{61007}}^1$

素因数の和:61078

約数の個数: 16

約数和(自身を含む): 121039872

約数和(自身を除く): 42889905

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 61007, 183021, 427049, 1281147, 3721427, 11164281, 26049989, 78149967]

約数ペア:

[(1, 78149967), (3, 26049989), (7, 11164281), (21, 3721427), (61, 1281147), (183, 427049), (427, 183021), (1281, 61007)]