389972019

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1\times {\mathrm{337}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 552913920

約数和(自身を除く): 162941901

約数列:

[1, 3, 29, 47, 87, 141, 283, 337, 849, 1011, 1363, 4089, 8207, 9773, 13301, 15839, 24621, 29319, 39903, 47517, 95371, 286113, 385729, 459331, 1157187, 1377993, 2765759, 4482437, 8297277, 13447311, 129990673, 389972019]

約数ペア:

[(1, 389972019), (3, 129990673), (29, 13447311), (47, 8297277), (87, 4482437), (141, 2765759), (283, 1377993), (337, 1157187), (849, 459331), (1011, 385729), (1363, 286113), (4089, 95371), (8207, 47517), (9773, 39903), (13301, 29319), (15839, 24621)]