3928005

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2129}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 6977880

約数和(自身を除く): 3049875

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 2129, 6387, 10645, 19161, 31935, 87289, 95805, 261867, 436445, 785601, 1309335, 3928005]

約数ペア:

[(1, 3928005), (3, 1309335), (5, 785601), (9, 436445), (15, 261867), (41, 95805), (45, 87289), (123, 31935), (205, 19161), (369, 10645), (615, 6387), (1845, 2129)]