61213455

素因数分解:

$3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2621}}^1$

素因数の和:2808

約数の個数: 32

約数和(自身を含む): 109494720

約数和(自身を除く): 48281265

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 173, 519, 865, 1557, 2595, 2621, 4671, 7785, 7863, 13105, 23355, 23589, 39315, 70767, 117945, 353835, 453433, 1360299, 2267165, 4080897, 6801495, 12242691, 20404485, 61213455]

約数ペア:

[(1, 61213455), (3, 20404485), (5, 12242691), (9, 6801495), (15, 4080897), (27, 2267165), (45, 1360299), (135, 453433), (173, 353835), (519, 117945), (865, 70767), (1557, 39315), (2595, 23589), (2621, 23355), (4671, 13105), (7785, 7863)]