261640761

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{10079}}^1$

素因数の和:10608

約数の個数: 16

約数和(自身を含む): 370137600

約数和(自身を除く): 108496839

約数列:

[1, 3, 17, 51, 509, 1527, 8653, 10079, 25959, 30237, 171343, 514029, 5130211, 15390633, 87213587, 261640761]

約数ペア:

[(1, 261640761), (3, 87213587), (17, 15390633), (51, 5130211), (509, 514029), (1527, 171343), (8653, 30237), (10079, 25959)]