208021275

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12007}}^1$

素因数の和:12041

約数の個数: 72

約数和(自身を含む): 464565504

約数和(自身を除く): 256544229

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 55, 63, 75, 77, 99, 105, 165, 175, 225, 231, 275, 315, 385, 495, 525, 693, 825, 1155, 1575, 1925, 2475, 3465, 5775, 12007, 17325, 36021, 60035, 84049, 108063, 132077, 180105, 252147, 300175, 396231, 420245, 540315, 660385, 756441, 900525, 924539, 1188693, 1260735, 1981155, 2101225, 2701575, 2773617, 3301925, 3782205, 4622695, 5943465, 6303675, 8320851, 9905775, 13868085, 18911025, 23113475, 29717325, 41604255, 69340425, 208021275]

約数ペア:

[(1, 208021275), (3, 69340425), (5, 41604255), (7, 29717325), (9, 23113475), (11, 18911025), (15, 13868085), (21, 9905775), (25, 8320851), (33, 6303675), (35, 5943465), (45, 4622695), (55, 3782205), (63, 3301925), (75, 2773617), (77, 2701575), (99, 2101225), (105, 1981155), (165, 1260735), (175, 1188693), (225, 924539), (231, 900525), (275, 756441), (315, 660385), (385, 540315), (495, 420245), (525, 396231), (693, 300175), (825, 252147), (1155, 180105), (1575, 132077), (1925, 108063), (2475, 84049), (3465, 60035), (5775, 36021), (12007, 17325)]