12877785

素因数分解:

$3^6\times 5^1\times {\mathrm{3533}}^1$

素因数の和:3556

約数の個数: 28

約数和(自身を含む): 23175972

約数和(自身を除く): 10298187

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3533, 3645, 10599, 17665, 31797, 52995, 95391, 158985, 286173, 476955, 858519, 1430865, 2575557, 4292595, 12877785]

約数ペア:

[(1, 12877785), (3, 4292595), (5, 2575557), (9, 1430865), (15, 858519), (27, 476955), (45, 286173), (81, 158985), (135, 95391), (243, 52995), (405, 31797), (729, 17665), (1215, 10599), (3533, 3645)]