205871127

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21737}}^1$

素因数の和:21799

約数の個数: 32

約数和(自身を含む): 350590464

約数和(自身を除く): 144719337

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 3157, 9471, 21737, 65211, 152159, 239107, 456477, 717321, 891217, 1673749, 2673651, 5021247, 6238519, 9803387, 18715557, 29410161, 68623709, 205871127]

約数ペア:

[(1, 205871127), (3, 68623709), (7, 29410161), (11, 18715557), (21, 9803387), (33, 6238519), (41, 5021247), (77, 2673651), (123, 1673749), (231, 891217), (287, 717321), (451, 456477), (861, 239107), (1353, 152159), (3157, 65211), (9471, 21737)]