81696538371

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4761703}}^1$

素因数の和:4761775

約数の個数: 32

約数和(自身を含む): 134089584640

約数和(自身を除く): 52393046269

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 2451, 5719, 17157, 4761703, 14285109, 33331921, 90472357, 99995763, 204753229, 271417071, 614259687, 633306499, 1433272603, 1899919497, 3890311351, 4299817809, 11670934053, 27232179457, 81696538371]

約数ペア:

[(1, 81696538371), (3, 27232179457), (7, 11670934053), (19, 4299817809), (21, 3890311351), (43, 1899919497), (57, 1433272603), (129, 633306499), (133, 614259687), (301, 271417071), (399, 204753229), (817, 99995763), (903, 90472357), (2451, 33331921), (5719, 14285109), (17157, 4761703)]