78971385

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{40189}}^1$

素因数の和:40328

約数の個数: 16

約数和(自身を含む): 127321920

約数和(自身を除く): 48350535

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 40189, 120567, 200945, 602835, 5264759, 15794277, 26323795, 78971385]

約数ペア:

[(1, 78971385), (3, 26323795), (5, 15794277), (15, 5264759), (131, 602835), (393, 200945), (655, 120567), (1965, 40189)]