2620755

素因数分解:

$3^6\times 5^1\times {\mathrm{719}}^1$

素因数の和:742

約数の個数: 28

約数和(自身を含む): 4721760

約数和(自身を除く): 2101005

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 719, 729, 1215, 2157, 3595, 3645, 6471, 10785, 19413, 32355, 58239, 97065, 174717, 291195, 524151, 873585, 2620755]

約数ペア:

[(1, 2620755), (3, 873585), (5, 524151), (9, 291195), (15, 174717), (27, 97065), (45, 58239), (81, 32355), (135, 19413), (243, 10785), (405, 6471), (719, 3645), (729, 3595), (1215, 2157)]