172543785

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1787}}^1$

素因数の和:1993

約数の個数: 32

約数和(自身を含む): 284764032

約数和(自身を除く): 112220247

約数列:

[1, 3, 5, 15, 41, 123, 157, 205, 471, 615, 785, 1787, 2355, 5361, 6437, 8935, 19311, 26805, 32185, 73267, 96555, 219801, 280559, 366335, 841677, 1099005, 1402795, 4208385, 11502919, 34508757, 57514595, 172543785]

約数ペア:

[(1, 172543785), (3, 57514595), (5, 34508757), (15, 11502919), (41, 4208385), (123, 1402795), (157, 1099005), (205, 841677), (471, 366335), (615, 280559), (785, 219801), (1787, 96555), (2355, 73267), (5361, 32185), (6437, 26805), (8935, 19311)]