78538851

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 116419680

約数和(自身を除く): 37880829

約数列:

[1, 3, 9, 71, 89, 213, 267, 639, 801, 1381, 4143, 6319, 12429, 18957, 56871, 98051, 122909, 294153, 368727, 882459, 1106181, 8726539, 26179617, 78538851]

約数ペア:

[(1, 78538851), (3, 26179617), (9, 8726539), (71, 1106181), (89, 882459), (213, 368727), (267, 294153), (639, 122909), (801, 98051), (1381, 56871), (4143, 18957), (6319, 12429)]