39878085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{15731}}^1$

素因数の和:15765

約数の個数: 24

約数和(自身を含む): 69094944

約数和(自身を除く): 29216859

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 15731, 47193, 78655, 204503, 235965, 613509, 1022515, 2658539, 3067545, 7975617, 13292695, 39878085]

約数ペア:

[(1, 39878085), (3, 13292695), (5, 7975617), (13, 3067545), (15, 2658539), (39, 1022515), (65, 613509), (169, 235965), (195, 204503), (507, 78655), (845, 47193), (2535, 15731)]