78908319

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20533}}^1$

素因数の和:20607

約数の個数: 24

約数和(自身を含む): 132403232

約数和(自身を除く): 53494913

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 20533, 61599, 143731, 184797, 431193, 1252513, 1293579, 3757539, 8767591, 11272617, 26302773, 78908319]

約数ペア:

[(1, 78908319), (3, 26302773), (7, 11272617), (9, 8767591), (21, 3757539), (61, 1293579), (63, 1252513), (183, 431193), (427, 184797), (549, 143731), (1281, 61599), (3843, 20533)]