249546285

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{359}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 470016000

約数和(自身を除く): 220469715

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 271, 285, 359, 513, 813, 855, 1077, 1355, 1795, 2439, 2565, 3231, 4065, 5149, 5385, 6821, 7317, 9693, 12195, 15447, 16155, 20463, 25745, 34105, 36585, 46341, 48465, 61389, 77235, 97289, 102315, 139023, 184167, 231705, 291867, 306945, 486445, 695115, 875601, 920835, 1459335, 1848491, 2626803, 4378005, 5545473, 9242455, 13134015, 16636419, 27727365, 49909257, 83182095, 249546285]

約数ペア:

[(1, 249546285), (3, 83182095), (5, 49909257), (9, 27727365), (15, 16636419), (19, 13134015), (27, 9242455), (45, 5545473), (57, 4378005), (95, 2626803), (135, 1848491), (171, 1459335), (271, 920835), (285, 875601), (359, 695115), (513, 486445), (813, 306945), (855, 291867), (1077, 231705), (1355, 184167), (1795, 139023), (2439, 102315), (2565, 97289), (3231, 77235), (4065, 61389), (5149, 48465), (5385, 46341), (6821, 36585), (7317, 34105), (9693, 25745), (12195, 20463), (15447, 16155)]