78870183

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1949}}^1$

素因数の和:2047

約数の個数: 32

約数和(自身を含む): 125798400

約数和(自身を除く): 46928217

約数列:

[1, 3, 7, 21, 41, 47, 123, 141, 287, 329, 861, 987, 1927, 1949, 5781, 5847, 13489, 13643, 40467, 40929, 79909, 91603, 239727, 274809, 559363, 641221, 1678089, 1923663, 3755723, 11267169, 26290061, 78870183]

約数ペア:

[(1, 78870183), (3, 26290061), (7, 11267169), (21, 3755723), (41, 1923663), (47, 1678089), (123, 641221), (141, 559363), (287, 274809), (329, 239727), (861, 91603), (987, 79909), (1927, 40929), (1949, 40467), (5781, 13643), (5847, 13489)]