252242571

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 390427648

約数和(自身を除く): 138185077

約数列:

[1, 3, 7, 21, 103, 277, 309, 421, 721, 831, 1263, 1939, 2163, 2947, 5817, 8841, 28531, 43363, 85593, 116617, 130089, 199717, 303541, 349851, 599151, 816319, 910623, 2448957, 12011551, 36034653, 84080857, 252242571]

約数ペア:

[(1, 252242571), (3, 84080857), (7, 36034653), (21, 12011551), (103, 2448957), (277, 910623), (309, 816319), (421, 599151), (721, 349851), (831, 303541), (1263, 199717), (1939, 130089), (2163, 116617), (2947, 85593), (5817, 43363), (8841, 28531)]