81142884

素因数分解:

$2^2\times 3^4\times {\mathrm{250441}}^1$

素因数の和:250457

約数の個数: 30

約数和(自身を含む): 212124374

約数和(自身を除く): 130981490

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 250441, 500882, 751323, 1001764, 1502646, 2253969, 3005292, 4507938, 6761907, 9015876, 13523814, 20285721, 27047628, 40571442, 81142884]

約数ペア:

[(1, 81142884), (2, 40571442), (3, 27047628), (4, 20285721), (6, 13523814), (9, 9015876), (12, 6761907), (18, 4507938), (27, 3005292), (36, 2253969), (54, 1502646), (81, 1001764), (108, 751323), (162, 500882), (324, 250441)]