821085

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 32

約数和(自身を含む): 1436160

約数和(自身を除く): 615075

約数列:

[1, 3, 5, 15, 19, 43, 57, 67, 95, 129, 201, 215, 285, 335, 645, 817, 1005, 1273, 2451, 2881, 3819, 4085, 6365, 8643, 12255, 14405, 19095, 43215, 54739, 164217, 273695, 821085]

約数ペア:

[(1, 821085), (3, 273695), (5, 164217), (15, 54739), (19, 43215), (43, 19095), (57, 14405), (67, 12255), (95, 8643), (129, 6365), (201, 4085), (215, 3819), (285, 2881), (335, 2451), (645, 1273), (817, 1005)]