51111315

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{15559}}^1$

素因数の和:15643

約数の個数: 24

約数和(自身を含む): 89812320

約数和(自身を除く): 38701005

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 15559, 46677, 77795, 140031, 233385, 700155, 1135807, 3407421, 5679035, 10222263, 17037105, 51111315]

約数ペア:

[(1, 51111315), (3, 17037105), (5, 10222263), (9, 5679035), (15, 3407421), (45, 1135807), (73, 700155), (219, 233385), (365, 140031), (657, 77795), (1095, 46677), (3285, 15559)]