28755963

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 42788928

約数和(自身を除く): 14032965

約数列:

[1, 3, 9, 47, 141, 157, 423, 433, 471, 1299, 1413, 3897, 7379, 20351, 22137, 61053, 66411, 67981, 183159, 203943, 611829, 3195107, 9585321, 28755963]

約数ペア:

[(1, 28755963), (3, 9585321), (9, 3195107), (47, 611829), (141, 203943), (157, 183159), (423, 67981), (433, 66411), (471, 61053), (1299, 22137), (1413, 20351), (3897, 7379)]