863343

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 1380288

約数和(自身を除く): 516945

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 157, 423, 471, 611, 1413, 1833, 2041, 5499, 6123, 7379, 18369, 22137, 66411, 95927, 287781, 863343]

約数ペア:

[(1, 863343), (3, 287781), (9, 95927), (13, 66411), (39, 22137), (47, 18369), (117, 7379), (141, 6123), (157, 5499), (423, 2041), (471, 1833), (611, 1413)]