28294857

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{491}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 43236960

約数和(自身を除く): 14942103

約数列:

[1, 3, 9, 19, 57, 171, 337, 491, 1011, 1473, 3033, 4419, 6403, 9329, 19209, 27987, 57627, 83961, 165467, 496401, 1489203, 3143873, 9431619, 28294857]

約数ペア:

[(1, 28294857), (3, 9431619), (9, 3143873), (19, 1489203), (57, 496401), (171, 165467), (337, 83961), (491, 57627), (1011, 27987), (1473, 19209), (3033, 9329), (4419, 6403)]