78318585

素因数分解:

$3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2633}}^1$

素因数の和:3305

約数の個数: 24

約数和(自身を含む): 136009224

約数和(自身を除く): 57690639

約数列:

[1, 3, 5, 9, 15, 45, 661, 1983, 2633, 3305, 5949, 7899, 9915, 13165, 23697, 29745, 39495, 118485, 1740413, 5221239, 8702065, 15663717, 26106195, 78318585]

約数ペア:

[(1, 78318585), (3, 26106195), (5, 15663717), (9, 8702065), (15, 5221239), (45, 1740413), (661, 118485), (1983, 39495), (2633, 29745), (3305, 23697), (5949, 13165), (7899, 9915)]