990147361

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1109}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 1225440000

約数和(自身を除く): 235292639

約数列:

[1, 7, 19, 49, 133, 137, 343, 931, 959, 1109, 2603, 6517, 6713, 7763, 18221, 21071, 46991, 54341, 127547, 147497, 151933, 380387, 892829, 1032479, 1063531, 2886727, 7227353, 7444717, 20207089, 52113019, 141449623, 990147361]

約数ペア:

[(1, 990147361), (7, 141449623), (19, 52113019), (49, 20207089), (133, 7444717), (137, 7227353), (343, 2886727), (931, 1063531), (959, 1032479), (1109, 892829), (2603, 380387), (6517, 151933), (6713, 147497), (7763, 127547), (18221, 54341), (21071, 46991)]