121231551

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{503}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 193536000

約数和(自身を除く): 72304449

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 499, 503, 1497, 1509, 3493, 3521, 10479, 10563, 11477, 11569, 34431, 34707, 80339, 80983, 241017, 242949, 250997, 752991, 1756979, 5270937, 5772931, 17318793, 40410517, 121231551]

約数ペア:

[(1, 121231551), (3, 40410517), (7, 17318793), (21, 5772931), (23, 5270937), (69, 1756979), (161, 752991), (483, 250997), (499, 242949), (503, 241017), (1497, 80983), (1509, 80339), (3493, 34707), (3521, 34431), (10479, 11569), (10563, 11477)]