389935287

素因数分解:

$3^2\times 7^2\times {\mathrm{379}}^1\times {\mathrm{2333}}^1$

素因数の和:2732

約数の個数: 36

約数和(自身を含む): 657207720

約数和(自身を除く): 267272433

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 379, 441, 1137, 2333, 2653, 3411, 6999, 7959, 16331, 18571, 20997, 23877, 48993, 55713, 114317, 146979, 167139, 342951, 884207, 1028853, 2652621, 6189449, 7957863, 18568347, 43326143, 55705041, 129978429, 389935287]

約数ペア:

[(1, 389935287), (3, 129978429), (7, 55705041), (9, 43326143), (21, 18568347), (49, 7957863), (63, 6189449), (147, 2652621), (379, 1028853), (441, 884207), (1137, 342951), (2333, 167139), (2653, 146979), (3411, 114317), (6999, 55713), (7959, 48993), (16331, 23877), (18571, 20997)]