655328961

素因数分解:

$3^5\times 7^1\times {\mathrm{385261}}^1$

素因数の和:385283

約数の個数: 24

約数和(自身を含む): 1121882944

約数和(自身を除く): 466553983

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 385261, 1155783, 2696827, 3467349, 8090481, 10402047, 24271443, 31206141, 72814329, 93618423, 218442987, 655328961]

約数ペア:

[(1, 655328961), (3, 218442987), (7, 93618423), (9, 72814329), (21, 31206141), (27, 24271443), (63, 10402047), (81, 8090481), (189, 3467349), (243, 2696827), (567, 1155783), (1701, 385261)]