28219515

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{30841}}^1$

素因数の和:30910

約数の個数: 16

約数和(自身を含む): 45892896

約数和(自身を除く): 17673381

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 30841, 92523, 154205, 462615, 1881301, 5643903, 9406505, 28219515]

約数ペア:

[(1, 28219515), (3, 9406505), (5, 5643903), (15, 1881301), (61, 462615), (183, 154205), (305, 92523), (915, 30841)]