205402503

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 290234880

約数和(自身を除く): 84832377

約数列:

[1, 3, 37, 67, 71, 111, 201, 213, 389, 1167, 2479, 2627, 4757, 7437, 7881, 14271, 14393, 26063, 27619, 43179, 78189, 82857, 176009, 528027, 964331, 1021903, 1850473, 2892993, 3065709, 5551419, 68467501, 205402503]

約数ペア:

[(1, 205402503), (3, 68467501), (37, 5551419), (67, 3065709), (71, 2892993), (111, 1850473), (201, 1021903), (213, 964331), (389, 528027), (1167, 176009), (2479, 82857), (2627, 78189), (4757, 43179), (7437, 27619), (7881, 26063), (14271, 14393)]