28902159

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 51970464

約数和(自身を除く): 23068305

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 1287, 1321, 1683, 1989, 2431, 3963, 7293, 11889, 14531, 17173, 21879, 22457, 43593, 51519, 67371, 130779, 154557, 188903, 202113, 247027, 291941, 566709, 741081, 875823, 1700127, 2223243, 2627469, 3211351, 9634053, 28902159]

約数ペア:

[(1, 28902159), (3, 9634053), (9, 3211351), (11, 2627469), (13, 2223243), (17, 1700127), (33, 875823), (39, 741081), (51, 566709), (99, 291941), (117, 247027), (143, 202113), (153, 188903), (187, 154557), (221, 130779), (429, 67371), (561, 51519), (663, 43593), (1287, 22457), (1321, 21879), (1683, 17173), (1989, 14531), (2431, 11889), (3963, 7293)]