131475309

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4297}}^1$

素因数の和:4385

約数の個数: 32

約数和(自身を含む): 211255296

約数和(自身を除く): 79779987

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 987, 1457, 4297, 4371, 10199, 12891, 30079, 30597, 90237, 133207, 201959, 399621, 605877, 932449, 1413713, 2797347, 4241139, 6260729, 18782187, 43825103, 131475309]

約数ペア:

[(1, 131475309), (3, 43825103), (7, 18782187), (21, 6260729), (31, 4241139), (47, 2797347), (93, 1413713), (141, 932449), (217, 605877), (329, 399621), (651, 201959), (987, 133207), (1457, 90237), (4297, 30597), (4371, 30079), (10199, 12891)]