80572725

素因数分解:

$3^6\times 5^2\times {\mathrm{4421}}^1$

素因数の和:4449

約数の個数: 42

約数和(自身を含む): 149830626

約数和(自身を除く): 69257901

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 4421, 6075, 13263, 18225, 22105, 39789, 66315, 110525, 119367, 198945, 331575, 358101, 596835, 994725, 1074303, 1790505, 2984175, 3222909, 5371515, 8952525, 16114545, 26857575, 80572725]

約数ペア:

[(1, 80572725), (3, 26857575), (5, 16114545), (9, 8952525), (15, 5371515), (25, 3222909), (27, 2984175), (45, 1790505), (75, 1074303), (81, 994725), (135, 596835), (225, 358101), (243, 331575), (405, 198945), (675, 119367), (729, 110525), (1215, 66315), (2025, 39789), (3645, 22105), (4421, 18225), (6075, 13263)]