2905065

素因数分解:

$3^6\times 5^1\times {\mathrm{797}}^1$

素因数の和:820

約数の個数: 28

約数和(自身を含む): 5233284

約数和(自身を除く): 2328219

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 797, 1215, 2391, 3645, 3985, 7173, 11955, 21519, 35865, 64557, 107595, 193671, 322785, 581013, 968355, 2905065]

約数ペア:

[(1, 2905065), (3, 968355), (5, 581013), (9, 322785), (15, 193671), (27, 107595), (45, 64557), (81, 35865), (135, 21519), (243, 11955), (405, 7173), (729, 3985), (797, 3645), (1215, 2391)]