17994291

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 28655616

約数和(自身を除く): 10661325

約数列:

[1, 3, 7, 21, 31, 93, 131, 211, 217, 393, 633, 651, 917, 1477, 2751, 4061, 4431, 6541, 12183, 19623, 27641, 28427, 45787, 82923, 85281, 137361, 193487, 580461, 856871, 2570613, 5998097, 17994291]

約数ペア:

[(1, 17994291), (3, 5998097), (7, 2570613), (21, 856871), (31, 580461), (93, 193487), (131, 137361), (211, 85281), (217, 82923), (393, 45787), (633, 28427), (651, 27641), (917, 19623), (1477, 12183), (2751, 6541), (4061, 4431)]