31877517

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2193

約数の個数: 32

約数和(自身を含む): 52346880

約数和(自身を除く): 20469363

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 2129, 2139, 4991, 6387, 14903, 14973, 44709, 48967, 65999, 146901, 197997, 342769, 461993, 1028307, 1385979, 1517977, 4553931, 10625839, 31877517]

約数ペア:

[(1, 31877517), (3, 10625839), (7, 4553931), (21, 1517977), (23, 1385979), (31, 1028307), (69, 461993), (93, 342769), (161, 197997), (217, 146901), (483, 65999), (651, 48967), (713, 44709), (2129, 14973), (2139, 14903), (4991, 6387)]