240323571

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{8839}}^1$

素因数の和:8920

約数の個数: 32

約数和(自身を含む): 381888000

約数和(自身を除く): 141564429

約数列:

[1, 3, 9, 19, 27, 53, 57, 159, 171, 477, 513, 1007, 1431, 3021, 8839, 9063, 26517, 27189, 79551, 167941, 238653, 468467, 503823, 1405401, 1511469, 4216203, 4534407, 8900873, 12648609, 26702619, 80107857, 240323571]

約数ペア:

[(1, 240323571), (3, 80107857), (9, 26702619), (19, 12648609), (27, 8900873), (53, 4534407), (57, 4216203), (159, 1511469), (171, 1405401), (477, 503823), (513, 468467), (1007, 238653), (1431, 167941), (3021, 79551), (8839, 27189), (9063, 26517)]