7485639

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 12218880

約数和(自身を除く): 4733241

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 257, 399, 511, 771, 1387, 1533, 1799, 4161, 4883, 5397, 9709, 14649, 18761, 29127, 34181, 56283, 102543, 131327, 356459, 393981, 1069377, 2495213, 7485639]

約数ペア:

[(1, 7485639), (3, 2495213), (7, 1069377), (19, 393981), (21, 356459), (57, 131327), (73, 102543), (133, 56283), (219, 34181), (257, 29127), (399, 18761), (511, 14649), (771, 9709), (1387, 5397), (1533, 4883), (1799, 4161)]