217413542913

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2111}}^1\times {\mathrm{25411}}^1$

素因数の和:27725

約数の個数: 32

約数和(自身を含む): 333184253952

約数和(自身を除く): 115770711039

約数列:

[1, 3, 7, 21, 193, 579, 1351, 2111, 4053, 6333, 14777, 25411, 44331, 76233, 177877, 407423, 533631, 1222269, 2851961, 4904323, 8555883, 14712969, 34330261, 53642621, 102990783, 160927863, 375498347, 1126495041, 10353025853, 31059077559, 72471180971, 217413542913]

約数ペア:

[(1, 217413542913), (3, 72471180971), (7, 31059077559), (21, 10353025853), (193, 1126495041), (579, 375498347), (1351, 160927863), (2111, 102990783), (4053, 53642621), (6333, 34330261), (14777, 14712969), (25411, 8555883), (44331, 4904323), (76233, 2851961), (177877, 1222269), (407423, 533631)]