421736289

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 650788992

約数和(自身を除く): 229052703

約数列:

[1, 3, 13, 17, 39, 51, 167, 169, 221, 293, 501, 507, 663, 879, 2171, 2839, 2873, 3809, 4981, 6513, 8517, 8619, 11427, 14943, 28223, 36907, 48931, 49517, 64753, 84669, 110721, 146793, 148551, 194259, 479791, 636103, 831827, 841789, 1439373, 1908309, 2495481, 2525367, 8269339, 10813751, 24808017, 32441253, 140578763, 421736289]

約数ペア:

[(1, 421736289), (3, 140578763), (13, 32441253), (17, 24808017), (39, 10813751), (51, 8269339), (167, 2525367), (169, 2495481), (221, 1908309), (293, 1439373), (501, 841789), (507, 831827), (663, 636103), (879, 479791), (2171, 194259), (2839, 148551), (2873, 146793), (3809, 110721), (4981, 84669), (6513, 64753), (8517, 49517), (8619, 48931), (11427, 36907), (14943, 28223)]