129275385

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{65789}}^1$

素因数の和:65928

約数の個数: 16

約数和(自身を含む): 208422720

約数和(自身を除く): 79147335

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 65789, 197367, 328945, 986835, 8618359, 25855077, 43091795, 129275385]

約数ペア:

[(1, 129275385), (3, 43091795), (5, 25855077), (15, 8618359), (131, 986835), (393, 328945), (655, 197367), (1965, 65789)]