80981439

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18451}}^1$

素因数の和:18491

約数の個数: 32

約数和(自身を含む): 141711360

約数和(自身を除く): 60729921

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 18451, 55353, 129157, 202961, 350569, 387471, 608883, 1051707, 1420727, 2453983, 3856259, 4262181, 7361949, 11568777, 26993813, 80981439]

約数ペア:

[(1, 80981439), (3, 26993813), (7, 11568777), (11, 7361949), (19, 4262181), (21, 3856259), (33, 2453983), (57, 1420727), (77, 1051707), (133, 608883), (209, 387471), (231, 350569), (399, 202961), (627, 129157), (1463, 55353), (4389, 18451)]