128537715

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{6287}}^1$

素因数の和:6371

約数の個数: 32

約数和(自身を含む): 217313280

約数和(自身を除く): 88775565

約数列:

[1, 3, 5, 15, 29, 47, 87, 141, 145, 235, 435, 705, 1363, 4089, 6287, 6815, 18861, 20445, 31435, 94305, 182323, 295489, 546969, 886467, 911615, 1477445, 2734845, 4432335, 8569181, 25707543, 42845905, 128537715]

約数ペア:

[(1, 128537715), (3, 42845905), (5, 25707543), (15, 8569181), (29, 4432335), (47, 2734845), (87, 1477445), (141, 911615), (145, 886467), (235, 546969), (435, 295489), (705, 182323), (1363, 94305), (4089, 31435), (6287, 20445), (6815, 18861)]