671838321

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 1151631360

約数和(自身を除く): 479793039

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 239, 283, 301, 473, 717, 849, 903, 1419, 1673, 1981, 2629, 3113, 3311, 5019, 5943, 7887, 9339, 9933, 10277, 12169, 18403, 21791, 30831, 36507, 55209, 65373, 67637, 71939, 85183, 113047, 133859, 202911, 215817, 255549, 339141, 401577, 473459, 744007, 791329, 937013, 1420377, 2232021, 2373987, 2811039, 2908391, 5208049, 8725173, 15624147, 20358737, 31992301, 61076211, 95976903, 223946107, 671838321]

約数ペア:

[(1, 671838321), (3, 223946107), (7, 95976903), (11, 61076211), (21, 31992301), (33, 20358737), (43, 15624147), (77, 8725173), (129, 5208049), (231, 2908391), (239, 2811039), (283, 2373987), (301, 2232021), (473, 1420377), (717, 937013), (849, 791329), (903, 744007), (1419, 473459), (1673, 401577), (1981, 339141), (2629, 255549), (3113, 215817), (3311, 202911), (5019, 133859), (5943, 113047), (7887, 85183), (9339, 71939), (9933, 67637), (10277, 65373), (12169, 55209), (18403, 36507), (21791, 30831)]