191031423

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{521}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 286239744

約数和(自身を除く): 95208321

約数列:

[1, 3, 11, 33, 41, 123, 271, 451, 521, 813, 1353, 1563, 2981, 5731, 8943, 11111, 17193, 21361, 33333, 64083, 122221, 141191, 234971, 366663, 423573, 704913, 1553101, 4659303, 5788831, 17366493, 63677141, 191031423]

約数ペア:

[(1, 191031423), (3, 63677141), (11, 17366493), (33, 5788831), (41, 4659303), (123, 1553101), (271, 704913), (451, 423573), (521, 366663), (813, 234971), (1353, 141191), (1563, 122221), (2981, 64083), (5731, 33333), (8943, 21361), (11111, 17193)]