205125921

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22769}}^1$

素因数の和:22806

約数の個数: 48

約数和(自身を含む): 397837440

約数和(自身を除く): 192711519

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 3003, 9009, 22769, 68307, 159383, 204921, 250459, 295997, 478149, 751377, 887991, 1434447, 1753213, 2071979, 2254131, 2663973, 3255967, 5259639, 6215937, 9767901, 15778917, 18647811, 22791769, 29303703, 68375307, 205125921]

約数ペア:

[(1, 205125921), (3, 68375307), (7, 29303703), (9, 22791769), (11, 18647811), (13, 15778917), (21, 9767901), (33, 6215937), (39, 5259639), (63, 3255967), (77, 2663973), (91, 2254131), (99, 2071979), (117, 1753213), (143, 1434447), (231, 887991), (273, 751377), (429, 478149), (693, 295997), (819, 250459), (1001, 204921), (1287, 159383), (3003, 68307), (9009, 22769)]