980788905

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{142453}}^1$

素因数の和:142487

約数の個数: 40

約数和(自身を含む): 1861588872

約数和(自身を除く): 880799967

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 142453, 427359, 712265, 1282077, 2136795, 2421701, 3846231, 6410385, 7265103, 11538693, 12108505, 19231155, 21795309, 36325515, 57693465, 65385927, 108976545, 196157781, 326929635, 980788905]

約数ペア:

[(1, 980788905), (3, 326929635), (5, 196157781), (9, 108976545), (15, 65385927), (17, 57693465), (27, 36325515), (45, 21795309), (51, 19231155), (81, 12108505), (85, 11538693), (135, 7265103), (153, 6410385), (255, 3846231), (405, 2421701), (459, 2136795), (765, 1282077), (1377, 712265), (2295, 427359), (6885, 142453)]