78815727

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{18593}}^1$

素因数の和:18759

約数の個数: 16

約数和(自身を含む): 117514080

約数和(自身を除く): 38698353

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 18593, 55779, 167337, 502011, 2919101, 8757303, 26271909, 78815727]

約数ペア:

[(1, 78815727), (3, 26271909), (9, 8757303), (27, 2919101), (157, 502011), (471, 167337), (1413, 55779), (4239, 18593)]