80647371

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 141994944

約数和(自身を除く): 61347573

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 257, 293, 357, 771, 879, 1071, 1799, 2051, 2313, 2637, 4369, 4981, 5397, 6153, 13107, 14943, 16191, 18459, 30583, 34867, 39321, 44829, 75301, 91749, 104601, 225903, 275247, 313803, 527107, 677709, 1280117, 1581321, 3840351, 4743963, 8960819, 11521053, 26882457, 80647371]

約数ペア:

[(1, 80647371), (3, 26882457), (7, 11521053), (9, 8960819), (17, 4743963), (21, 3840351), (51, 1581321), (63, 1280117), (119, 677709), (153, 527107), (257, 313803), (293, 275247), (357, 225903), (771, 104601), (879, 91749), (1071, 75301), (1799, 44829), (2051, 39321), (2313, 34867), (2637, 30583), (4369, 18459), (4981, 16191), (5397, 14943), (6153, 13107)]