31365315

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9817}}^1$

素因数の和:9899

約数の個数: 24

約数和(自身を含む): 55137888

約数和(自身を除く): 23772573

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 9817, 29451, 49085, 88353, 147255, 441765, 697007, 2091021, 3485035, 6273063, 10455105, 31365315]

約数ペア:

[(1, 31365315), (3, 10455105), (5, 6273063), (9, 3485035), (15, 2091021), (45, 697007), (71, 441765), (213, 147255), (355, 88353), (639, 49085), (1065, 29451), (3195, 9817)]