201756819

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1\times {\mathrm{443}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 302886144

約数和(自身を除く): 101129325

約数列:

[1, 3, 11, 33, 37, 111, 373, 407, 443, 1119, 1221, 1329, 4103, 4873, 12309, 13801, 14619, 16391, 41403, 49173, 151811, 165239, 180301, 455433, 495717, 540903, 1817629, 5452887, 6113843, 18341529, 67252273, 201756819]

約数ペア:

[(1, 201756819), (3, 67252273), (11, 18341529), (33, 6113843), (37, 5452887), (111, 1817629), (373, 540903), (407, 495717), (443, 455433), (1119, 180301), (1221, 165239), (1329, 151811), (4103, 49173), (4873, 41403), (12309, 16391), (13801, 14619)]