216945315

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1171}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 394917120

約数和(自身を除く): 177971805

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 179, 207, 345, 537, 895, 1035, 1171, 1611, 2685, 3513, 4117, 5855, 8055, 10539, 12351, 17565, 20585, 26933, 37053, 52695, 61755, 80799, 134665, 185265, 209609, 242397, 403995, 628827, 1048045, 1211985, 1886481, 3144135, 4821007, 9432405, 14463021, 24105035, 43389063, 72315105, 216945315]

約数ペア:

[(1, 216945315), (3, 72315105), (5, 43389063), (9, 24105035), (15, 14463021), (23, 9432405), (45, 4821007), (69, 3144135), (115, 1886481), (179, 1211985), (207, 1048045), (345, 628827), (537, 403995), (895, 242397), (1035, 209609), (1171, 185265), (1611, 134665), (2685, 80799), (3513, 61755), (4117, 52695), (5855, 37053), (8055, 26933), (10539, 20585), (12351, 17565)]