201997185

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1039}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 348741120

約数和(自身を除く): 146743935

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 997, 1039, 2991, 3117, 4985, 5195, 12961, 13507, 14955, 15585, 38883, 40521, 64805, 67535, 194415, 202605, 1035883, 3107649, 5179415, 13466479, 15538245, 40399437, 67332395, 201997185]

約数ペア:

[(1, 201997185), (3, 67332395), (5, 40399437), (13, 15538245), (15, 13466479), (39, 5179415), (65, 3107649), (195, 1035883), (997, 202605), (1039, 194415), (2991, 67535), (3117, 64805), (4985, 40521), (5195, 38883), (12961, 15585), (13507, 14955)]