289731249

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 443127168

約数和(自身を除く): 153395919

約数列:

[1, 3, 9, 27, 67, 81, 197, 201, 271, 591, 603, 813, 1773, 1809, 2439, 5319, 5427, 7317, 13199, 15957, 18157, 21951, 39597, 53387, 54471, 118791, 160161, 163413, 356373, 480483, 490239, 1069119, 1441449, 1470717, 3576929, 4324347, 10730787, 32192361, 96577083, 289731249]

約数ペア:

[(1, 289731249), (3, 96577083), (9, 32192361), (27, 10730787), (67, 4324347), (81, 3576929), (197, 1470717), (201, 1441449), (271, 1069119), (591, 490239), (603, 480483), (813, 356373), (1773, 163413), (1809, 160161), (2439, 118791), (5319, 54471), (5427, 53387), (7317, 39597), (13199, 21951), (15957, 18157)]