919200639

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1\times {\mathrm{1579}}^1$

素因数の和:3067

約数の個数: 32

約数和(自身を含む): 1476352000

約数和(自身を除く): 557151361

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1459, 1579, 4377, 4737, 10213, 11053, 27721, 30001, 30639, 33159, 83163, 90003, 194047, 210007, 582141, 630021, 2303761, 6911283, 16126327, 43771459, 48378981, 131314377, 306400213, 919200639]

約数ペア:

[(1, 919200639), (3, 306400213), (7, 131314377), (19, 48378981), (21, 43771459), (57, 16126327), (133, 6911283), (399, 2303761), (1459, 630021), (1579, 582141), (4377, 210007), (4737, 194047), (10213, 90003), (11053, 83163), (27721, 33159), (30001, 30639)]