11971575

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1$

素因数の和:725

約数の個数: 72

約数和(自身を含む): 26772096

約数和(自身を除く): 14800521

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, 691, 693, 825, 1155, 1575, 1925, 2073, 2475, 3455, 3465, 4837, 5775, 6219, 7601, 10365, 14511, 17275, 17325, 22803, 24185, 31095, 38005, 43533, 51825, 53207, 68409, 72555, 114015, 120925, 155475, 159621, 190025, 217665, 266035, 342045, 362775, 478863, 570075, 798105, 1088325, 1330175, 1710225, 2394315, 3990525, 11971575]

約数ペア:

[(1, 11971575), (3, 3990525), (5, 2394315), (7, 1710225), (9, 1330175), (11, 1088325), (15, 798105), (21, 570075), (25, 478863), (33, 362775), (35, 342045), (45, 266035), (55, 217665), (63, 190025), (75, 159621), (77, 155475), (99, 120925), (105, 114015), (165, 72555), (175, 68409), (225, 53207), (231, 51825), (275, 43533), (315, 38005), (385, 31095), (495, 24185), (525, 22803), (691, 17325), (693, 17275), (825, 14511), (1155, 10365), (1575, 7601), (1925, 6219), (2073, 5775), (2475, 4837), (3455, 3465)]