201997155

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{1847}}^1$

素因数の和:2195

約数の個数: 32

約数和(自身を含む): 338494464

約数和(自身を除く): 136497309

約数列:

[1, 3, 5, 15, 23, 69, 115, 317, 345, 951, 1585, 1847, 4755, 5541, 7291, 9235, 21873, 27705, 36455, 42481, 109365, 127443, 212405, 585499, 637215, 1756497, 2927495, 8782485, 13466477, 40399431, 67332385, 201997155]

約数ペア:

[(1, 201997155), (3, 67332385), (5, 40399431), (15, 13466477), (23, 8782485), (69, 2927495), (115, 1756497), (317, 637215), (345, 585499), (951, 212405), (1585, 127443), (1847, 109365), (4755, 42481), (5541, 36455), (7291, 27705), (9235, 21873)]