39542805

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 71725680

約数和(自身を除く): 32182875

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 157, 193, 261, 435, 471, 579, 785, 965, 1305, 1413, 1737, 2355, 2895, 4553, 5597, 7065, 8685, 13659, 16791, 22765, 27985, 30301, 40977, 50373, 68295, 83955, 90903, 151505, 204885, 251865, 272709, 454515, 878729, 1363545, 2636187, 4393645, 7908561, 13180935, 39542805]

約数ペア:

[(1, 39542805), (3, 13180935), (5, 7908561), (9, 4393645), (15, 2636187), (29, 1363545), (45, 878729), (87, 454515), (145, 272709), (157, 251865), (193, 204885), (261, 151505), (435, 90903), (471, 83955), (579, 68295), (785, 50373), (965, 40977), (1305, 30301), (1413, 27985), (1737, 22765), (2355, 16791), (2895, 13659), (4553, 8685), (5597, 7065)]