42145173

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 74056320

約数和(自身を除く): 31911147

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 137, 171, 257, 399, 411, 771, 959, 1197, 1233, 1799, 2313, 2603, 2877, 4883, 5397, 7809, 8631, 14649, 16191, 18221, 23427, 34181, 35209, 43947, 54663, 102543, 105627, 163989, 246463, 307629, 316881, 668971, 739389, 2006913, 2218167, 4682797, 6020739, 14048391, 42145173]

約数ペア:

[(1, 42145173), (3, 14048391), (7, 6020739), (9, 4682797), (19, 2218167), (21, 2006913), (57, 739389), (63, 668971), (133, 316881), (137, 307629), (171, 246463), (257, 163989), (399, 105627), (411, 102543), (771, 54663), (959, 43947), (1197, 35209), (1233, 34181), (1799, 23427), (2313, 18221), (2603, 16191), (2877, 14649), (4883, 8631), (5397, 7809)]