135371523

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2161}}^1$

素因数の和:2347

約数の個数: 32

約数和(自身を含む): 218621440

約数和(自身を除く): 83249917

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 399, 471, 1099, 2161, 2983, 3297, 6483, 8949, 15127, 20881, 41059, 45381, 62643, 123177, 287413, 339277, 862239, 1017831, 2374939, 6446263, 7124817, 19338789, 45123841, 135371523]

約数ペア:

[(1, 135371523), (3, 45123841), (7, 19338789), (19, 7124817), (21, 6446263), (57, 2374939), (133, 1017831), (157, 862239), (399, 339277), (471, 287413), (1099, 123177), (2161, 62643), (2983, 45381), (3297, 41059), (6483, 20881), (8949, 15127)]