128561391

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{35801}}^1$

素因数の和:35836

約数の個数: 32

約数和(自身を含む): 229132800

約数和(自身を除く): 100571409

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 35801, 107403, 250607, 322209, 680219, 751821, 966627, 2040657, 2255463, 4761533, 6121971, 6766389, 14284599, 18365913, 42853797, 128561391]

約数ペア:

[(1, 128561391), (3, 42853797), (7, 18365913), (9, 14284599), (19, 6766389), (21, 6121971), (27, 4761533), (57, 2255463), (63, 2040657), (133, 966627), (171, 751821), (189, 680219), (399, 322209), (513, 250607), (1197, 107403), (3591, 35801)]