217484961

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{43963}}^1$

素因数の和:44080

約数の個数: 16

約数和(自身を含む): 310209984

約数和(自身を除く): 92725023

約数列:

[1, 3, 17, 51, 97, 291, 1649, 4947, 43963, 131889, 747371, 2242113, 4264411, 12793233, 72494987, 217484961]

約数ペア:

[(1, 217484961), (3, 72494987), (17, 12793233), (51, 4264411), (97, 2242113), (291, 747371), (1649, 131889), (4947, 43963)]