389619813

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{929}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 578534400

約数和(自身を除く): 188914587

約数列:

[1, 3, 11, 33, 71, 179, 213, 537, 781, 929, 1969, 2343, 2787, 5907, 10219, 12709, 30657, 38127, 65959, 139799, 166291, 197877, 419397, 498873, 725549, 1829201, 2176647, 5487603, 11806661, 35419983, 129873271, 389619813]

約数ペア:

[(1, 389619813), (3, 129873271), (11, 35419983), (33, 11806661), (71, 5487603), (179, 2176647), (213, 1829201), (537, 725549), (781, 498873), (929, 419397), (1969, 197877), (2343, 166291), (2787, 139799), (5907, 65959), (10219, 38127), (12709, 30657)]