291220083

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20011}}^1$

素因数の和:20045

約数の個数: 48

約数和(自身を含む): 547528320

約数和(自身を除く): 256308237

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 539, 693, 1323, 1617, 2079, 4851, 14553, 20011, 60033, 140077, 180099, 220121, 420231, 540297, 660363, 980539, 1260693, 1540847, 1981089, 2941617, 3782079, 4622541, 5943267, 8824851, 10785929, 13867623, 26474553, 32357787, 41602869, 97073361, 291220083]

約数ペア:

[(1, 291220083), (3, 97073361), (7, 41602869), (9, 32357787), (11, 26474553), (21, 13867623), (27, 10785929), (33, 8824851), (49, 5943267), (63, 4622541), (77, 3782079), (99, 2941617), (147, 1981089), (189, 1540847), (231, 1260693), (297, 980539), (441, 660363), (539, 540297), (693, 420231), (1323, 220121), (1617, 180099), (2079, 140077), (4851, 60033), (14553, 20011)]