81162249

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 126197760

約数和(自身を除く): 45035511

約数列:

[1, 3, 7, 21, 103, 157, 239, 309, 471, 717, 721, 1099, 1673, 2163, 3297, 5019, 16171, 24617, 37523, 48513, 73851, 112569, 113197, 172319, 262661, 339591, 516957, 787983, 3864869, 11594607, 27054083, 81162249]

約数ペア:

[(1, 81162249), (3, 27054083), (7, 11594607), (21, 3864869), (103, 787983), (157, 516957), (239, 339591), (309, 262661), (471, 172319), (717, 113197), (721, 112569), (1099, 73851), (1673, 48513), (2163, 37523), (3297, 24617), (5019, 16171)]