81969045

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{133283}}^1$

素因数の和:133332

約数の個数: 16

約数和(自身を含む): 134350272

約数和(自身を除く): 52381227

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 133283, 399849, 666415, 1999245, 5464603, 16393809, 27323015, 81969045]

約数ペア:

[(1, 81969045), (3, 27323015), (5, 16393809), (15, 5464603), (41, 1999245), (123, 666415), (205, 399849), (615, 133283)]