189438081

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{220021}}^1$

素因数の和:220072

約数の個数: 16

約数和(自身を含む): 295709568

約数和(自身を除く): 106271487

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 220021, 660063, 1540147, 4620441, 9020861, 27062583, 63146027, 189438081]

約数ペア:

[(1, 189438081), (3, 63146027), (7, 27062583), (21, 9020861), (41, 4620441), (123, 1540147), (287, 660063), (861, 220021)]