81543087

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 120224000

約数和(自身を除く): 38680913

約数列:

[1, 3, 9, 67, 201, 271, 499, 603, 813, 1497, 2439, 4491, 18157, 33433, 54471, 100299, 135229, 163413, 300897, 405687, 1217061, 9060343, 27181029, 81543087]

約数ペア:

[(1, 81543087), (3, 27181029), (9, 9060343), (67, 1217061), (201, 405687), (271, 300897), (499, 163413), (603, 135229), (813, 100299), (1497, 54471), (2439, 33433), (4491, 18157)]