81339135

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{233}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 142230816

約数和(自身を除く): 60891681

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 233, 255, 555, 629, 699, 1165, 1369, 1887, 3145, 3495, 3961, 4107, 6845, 8621, 9435, 11883, 19805, 20535, 23273, 25863, 43105, 59415, 69819, 116365, 129315, 146557, 318977, 349095, 439671, 732785, 956931, 1594885, 2198355, 4784655, 5422609, 16267827, 27113045, 81339135]

約数ペア:

[(1, 81339135), (3, 27113045), (5, 16267827), (15, 5422609), (17, 4784655), (37, 2198355), (51, 1594885), (85, 956931), (111, 732785), (185, 439671), (233, 349095), (255, 318977), (555, 146557), (629, 129315), (699, 116365), (1165, 69819), (1369, 59415), (1887, 43105), (3145, 25863), (3495, 23273), (3961, 20535), (4107, 19805), (6845, 11883), (8621, 9435)]