218728827

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{19937}}^1$

素因数の和:20019

約数の個数: 24

約数和(自身を含む): 335915424

約数和(自身を除く): 117186597

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 3657, 10971, 19937, 59811, 179433, 458551, 1056661, 1375653, 3169983, 4126959, 9509949, 24303203, 72909609, 218728827]

約数ペア:

[(1, 218728827), (3, 72909609), (9, 24303203), (23, 9509949), (53, 4126959), (69, 3169983), (159, 1375653), (207, 1056661), (477, 458551), (1219, 179433), (3657, 59811), (10971, 19937)]