221574609

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{51613}}^1$

素因数の和:51678

約数の個数: 20

約数和(自身を含む): 337245876

約数和(自身を除く): 115671267

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 51613, 154839, 464517, 1393551, 2735489, 4180653, 8206467, 24619401, 73858203, 221574609]

約数ペア:

[(1, 221574609), (3, 73858203), (9, 24619401), (27, 8206467), (53, 4180653), (81, 2735489), (159, 1393551), (477, 464517), (1431, 154839), (4293, 51613)]