2578808217609

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{2449010653}}^1$

素因数の和:2449010678

約数の個数: 20

約数和(自身を含む): 4148624047876

約数和(自身を除く): 1569815830267

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 2449010653, 7347031959, 22041095877, 31837138489, 66123287631, 95511415467, 198369862893, 286534246401, 859602739203, 2578808217609]

約数ペア:

[(1, 2578808217609), (3, 859602739203), (9, 286534246401), (13, 198369862893), (27, 95511415467), (39, 66123287631), (81, 31837138489), (117, 22041095877), (351, 7347031959), (1053, 2449010653)]