637995609

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{421}}^1$

素因数の和:839

約数の個数: 40

約数和(自身を含む): 976101192

約数和(自身を除く): 338105583

約数列:

[1, 3, 9, 27, 53, 81, 159, 353, 421, 477, 1059, 1263, 1431, 3177, 3789, 4293, 9531, 11367, 18709, 22313, 28593, 34101, 56127, 66939, 148613, 168381, 200817, 445839, 505143, 602451, 1337517, 1515429, 1807353, 4012551, 7876489, 12037653, 23629467, 70888401, 212665203, 637995609]

約数ペア:

[(1, 637995609), (3, 212665203), (9, 70888401), (27, 23629467), (53, 12037653), (81, 7876489), (159, 4012551), (353, 1807353), (421, 1515429), (477, 1337517), (1059, 602451), (1263, 505143), (1431, 445839), (3177, 200817), (3789, 168381), (4293, 148613), (9531, 66939), (11367, 56127), (18709, 34101), (22313, 28593)]