380659587

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{21401}}^1$

素因数の和:21440

約数の個数: 36

約数和(自身を含む): 648994248

約数和(自身を除く): 268334661

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 363, 539, 847, 1617, 2541, 5929, 17787, 21401, 64203, 149807, 235411, 449421, 706233, 1048649, 1647877, 2589521, 3145947, 4943631, 7768563, 11535139, 18126647, 34605417, 54379941, 126886529, 380659587]

約数ペア:

[(1, 380659587), (3, 126886529), (7, 54379941), (11, 34605417), (21, 18126647), (33, 11535139), (49, 7768563), (77, 4943631), (121, 3145947), (147, 2589521), (231, 1647877), (363, 1048649), (539, 706233), (847, 449421), (1617, 235411), (2541, 149807), (5929, 64203), (17787, 21401)]