9981783

素因数分解:

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

素因数の和:332

約数の個数: 48

約数和(自身を含む): 17971200

約数和(自身を除く): 7989417

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 63, 93, 133, 171, 217, 269, 279, 399, 589, 651, 807, 1197, 1767, 1883, 1953, 2421, 4123, 5111, 5301, 5649, 8339, 12369, 15333, 16947, 25017, 35777, 37107, 45999, 58373, 75051, 107331, 158441, 175119, 321993, 475323, 525357, 1109087, 1425969, 3327261, 9981783]

約数ペア:

[(1, 9981783), (3, 3327261), (7, 1425969), (9, 1109087), (19, 525357), (21, 475323), (31, 321993), (57, 175119), (63, 158441), (93, 107331), (133, 75051), (171, 58373), (217, 45999), (269, 37107), (279, 35777), (399, 25017), (589, 16947), (651, 15333), (807, 12369), (1197, 8339), (1767, 5649), (1883, 5301), (1953, 5111), (2421, 4123)]