69872481

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 128044800

約数和(自身を除く): 58172319

約数列:

[1, 3, 7, 9, 19, 21, 31, 49, 57, 63, 93, 133, 147, 171, 217, 269, 279, 399, 441, 589, 651, 807, 931, 1197, 1519, 1767, 1883, 1953, 2421, 2793, 4123, 4557, 5111, 5301, 5649, 8339, 8379, 12369, 13181, 13671, 15333, 16947, 25017, 28861, 35777, 37107, 39543, 45999, 58373, 75051, 86583, 107331, 118629, 158441, 175119, 250439, 259749, 321993, 408611, 475323, 525357, 751317, 1109087, 1225833, 1425969, 2253951, 3327261, 3677499, 7763609, 9981783, 23290827, 69872481]

約数ペア:

[(1, 69872481), (3, 23290827), (7, 9981783), (9, 7763609), (19, 3677499), (21, 3327261), (31, 2253951), (49, 1425969), (57, 1225833), (63, 1109087), (93, 751317), (133, 525357), (147, 475323), (171, 408611), (217, 321993), (269, 259749), (279, 250439), (399, 175119), (441, 158441), (589, 118629), (651, 107331), (807, 86583), (931, 75051), (1197, 58373), (1519, 45999), (1767, 39543), (1883, 37107), (1953, 35777), (2421, 28861), (2793, 25017), (4123, 16947), (4557, 15333), (5111, 13671), (5301, 13181), (5649, 12369), (8339, 8379)]