220227843

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{859}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 340312320

約数和(自身を除く): 120084477

約数列:

[1, 3, 11, 17, 33, 51, 187, 457, 561, 859, 1371, 2577, 5027, 7769, 9449, 14603, 15081, 23307, 28347, 43809, 85459, 160633, 256377, 392563, 481899, 1177689, 4318193, 6673571, 12954579, 20020713, 73409281, 220227843]

約数ペア:

[(1, 220227843), (3, 73409281), (11, 20020713), (17, 12954579), (33, 6673571), (51, 4318193), (187, 1177689), (457, 481899), (561, 392563), (859, 256377), (1371, 160633), (2577, 85459), (5027, 43809), (7769, 28347), (9449, 23307), (14603, 15081)]