28315911

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6661}}^1$

素因数の和:6786

約数の個数: 16

約数和(自身を含む): 41037920

約数和(自身を除く): 12722009

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 6661, 19983, 86593, 259779, 726049, 2178147, 9438637, 28315911]

約数ペア:

[(1, 28315911), (3, 9438637), (13, 2178147), (39, 726049), (109, 259779), (327, 86593), (1417, 19983), (4251, 6661)]