128547993

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{73751}}^1$

素因数の和:73844

約数の個数: 16

約数和(自身を含む): 198245376

約数和(自身を除く): 69697383

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 73751, 221253, 516257, 1548771, 6121333, 18363999, 42849331, 128547993]

約数ペア:

[(1, 128547993), (3, 42849331), (7, 18363999), (21, 6121333), (83, 1548771), (249, 516257), (581, 221253), (1743, 73751)]