127211553

素因数分解:

$3^4\times 7^1\times {\mathrm{224359}}^1$

素因数の和:224378

約数の個数: 20

約数和(自身を含む): 217180480

約数和(自身を除く): 89968927

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 224359, 673077, 1570513, 2019231, 4711539, 6057693, 14134617, 18173079, 42403851, 127211553]

約数ペア:

[(1, 127211553), (3, 42403851), (7, 18173079), (9, 14134617), (21, 6057693), (27, 4711539), (63, 2019231), (81, 1570513), (189, 673077), (567, 224359)]