8731317

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 14233600

約数和(自身を除く): 5502283

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 277, 399, 553, 831, 1501, 1659, 1939, 4503, 5263, 5817, 10507, 15789, 21883, 31521, 36841, 65649, 110523, 153181, 415777, 459543, 1247331, 2910439, 8731317]

約数ペア:

[(1, 8731317), (3, 2910439), (7, 1247331), (19, 459543), (21, 415777), (57, 153181), (79, 110523), (133, 65649), (237, 36841), (277, 31521), (399, 21883), (553, 15789), (831, 10507), (1501, 5817), (1659, 5263), (1939, 4503)]