87421551

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3851}}^1$

素因数の和:3931

約数の個数: 32

約数和(自身を含む): 142000128

約数和(自身を除く): 54578577

約数列:

[1, 3, 7, 21, 23, 47, 69, 141, 161, 329, 483, 987, 1081, 3243, 3851, 7567, 11553, 22701, 26957, 80871, 88573, 180997, 265719, 542991, 620011, 1266979, 1860033, 3800937, 4162931, 12488793, 29140517, 87421551]

約数ペア:

[(1, 87421551), (3, 29140517), (7, 12488793), (21, 4162931), (23, 3800937), (47, 1860033), (69, 1266979), (141, 620011), (161, 542991), (329, 265719), (483, 180997), (987, 88573), (1081, 80871), (3243, 26957), (3851, 22701), (7567, 11553)]