172937499

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1259}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 273530880

約数和(自身を除く): 100593381

約数列:

[1, 3, 7, 21, 31, 93, 211, 217, 633, 651, 1259, 1477, 3777, 4431, 6541, 8813, 19623, 26439, 39029, 45787, 117087, 137361, 265649, 273203, 796947, 819609, 1859543, 5578629, 8235119, 24705357, 57645833, 172937499]

約数ペア:

[(1, 172937499), (3, 57645833), (7, 24705357), (21, 8235119), (31, 5578629), (93, 1859543), (211, 819609), (217, 796947), (633, 273203), (651, 265649), (1259, 137361), (1477, 117087), (3777, 45787), (4431, 39029), (6541, 26439), (8813, 19623)]