15771795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2789}}^1$

素因数の和:2839

約数の個数: 32

約数和(自身を含む): 28123200

約数和(自身を除く): 12351405

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 2789, 5655, 8367, 13945, 36257, 41835, 80881, 108771, 181285, 242643, 404405, 543855, 1051453, 1213215, 3154359, 5257265, 15771795]

約数ペア:

[(1, 15771795), (3, 5257265), (5, 3154359), (13, 1213215), (15, 1051453), (29, 543855), (39, 404405), (65, 242643), (87, 181285), (145, 108771), (195, 80881), (377, 41835), (435, 36257), (1131, 13945), (1885, 8367), (2789, 5655)]