12820485

素因数分解:

$3^1\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1031}}^1$

素因数の和:1868

約数の個数: 16

約数和(自身を含む): 20557440

約数和(自身を除く): 7736955

約数列:

[1, 3, 5, 15, 829, 1031, 2487, 3093, 4145, 5155, 12435, 15465, 854699, 2564097, 4273495, 12820485]

約数ペア:

[(1, 12820485), (3, 4273495), (5, 2564097), (15, 854699), (829, 15465), (1031, 12435), (2487, 5155), (3093, 4145)]