205905315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{337}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 430649856

約数和(自身を除く): 224744541

約数列:

[1, 3, 5, 7, 11, 15, 21, 23, 33, 35, 55, 69, 77, 105, 115, 161, 165, 231, 253, 337, 345, 385, 483, 529, 759, 805, 1011, 1155, 1265, 1587, 1685, 1771, 2359, 2415, 2645, 3703, 3707, 3795, 5055, 5313, 5819, 7077, 7751, 7935, 8855, 11109, 11121, 11795, 17457, 18515, 18535, 23253, 25949, 26565, 29095, 35385, 38755, 40733, 54257, 55545, 55605, 77847, 85261, 87285, 116265, 122199, 129745, 162771, 178273, 203665, 255783, 271285, 389235, 426305, 534819, 596827, 610995, 813855, 891365, 1247911, 1278915, 1790481, 1961003, 2674095, 2984135, 3743733, 5883009, 6239555, 8952405, 9805015, 13727021, 18718665, 29415045, 41181063, 68635105, 205905315]

約数ペア:

[(1, 205905315), (3, 68635105), (5, 41181063), (7, 29415045), (11, 18718665), (15, 13727021), (21, 9805015), (23, 8952405), (33, 6239555), (35, 5883009), (55, 3743733), (69, 2984135), (77, 2674095), (105, 1961003), (115, 1790481), (161, 1278915), (165, 1247911), (231, 891365), (253, 813855), (337, 610995), (345, 596827), (385, 534819), (483, 426305), (529, 389235), (759, 271285), (805, 255783), (1011, 203665), (1155, 178273), (1265, 162771), (1587, 129745), (1685, 122199), (1771, 116265), (2359, 87285), (2415, 85261), (2645, 77847), (3703, 55605), (3707, 55545), (3795, 54257), (5055, 40733), (5313, 38755), (5819, 35385), (7077, 29095), (7751, 26565), (7935, 25949), (8855, 23253), (11109, 18535), (11121, 18515), (11795, 17457)]