78882921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12721}}^1$

素因数の和:12793

約数の個数: 24

約数和(自身を含む): 125031816

約数和(自身を除く): 46148895

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 6201, 12721, 38163, 114489, 165373, 496119, 674213, 1488357, 2022639, 6067917, 8764769, 26294307, 78882921]

約数ペア:

[(1, 78882921), (3, 26294307), (9, 8764769), (13, 6067917), (39, 2022639), (53, 1488357), (117, 674213), (159, 496119), (477, 165373), (689, 114489), (2067, 38163), (6201, 12721)]