81558990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{906211}}^1$

素因数の和:906224

約数の個数: 24

約数和(自身を含む): 212053608

約数和(自身を除く): 130494618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 906211, 1812422, 2718633, 4531055, 5437266, 8155899, 9062110, 13593165, 16311798, 27186330, 40779495, 81558990]

約数ペア:

[(1, 81558990), (2, 40779495), (3, 27186330), (5, 16311798), (6, 13593165), (9, 9062110), (10, 8155899), (15, 5437266), (18, 4531055), (30, 2718633), (45, 1812422), (90, 906211)]