86807979

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2551}}^1$

素因数の和:2775

約数の個数: 24

約数和(自身を含む): 132704000

約数和(自身を除く): 45896021

約数列:

[1, 3, 9, 19, 57, 171, 199, 597, 1791, 2551, 3781, 7653, 11343, 22959, 34029, 48469, 145407, 436221, 507649, 1522947, 4568841, 9645331, 28935993, 86807979]

約数ペア:

[(1, 86807979), (3, 28935993), (9, 9645331), (19, 4568841), (57, 1522947), (171, 507649), (199, 436221), (597, 145407), (1791, 48469), (2551, 34029), (3781, 22959), (7653, 11343)]