66105921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3853}}^1$

素因数の和:3925

約数の個数: 32

約数和(自身を含む): 108528640

約数和(自身を除く): 42422719

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 2451, 3853, 5719, 11559, 17157, 26971, 73207, 80913, 165679, 219621, 497037, 512449, 1159753, 1537347, 3147901, 3479259, 9443703, 22035307, 66105921]

約数ペア:

[(1, 66105921), (3, 22035307), (7, 9443703), (19, 3479259), (21, 3147901), (43, 1537347), (57, 1159753), (129, 512449), (133, 497037), (301, 219621), (399, 165679), (817, 80913), (903, 73207), (2451, 26971), (3853, 17157), (5719, 11559)]