3978889173

素因数分解:

$3^2\times 7^1\times {\mathrm{63156971}}^1$

素因数の和:63156984

約数の個数: 12

約数和(自身を含む): 6568325088

約数和(自身を除く): 2589435915

約数列:

[1, 3, 7, 9, 21, 63, 63156971, 189470913, 442098797, 568412739, 1326296391, 3978889173]

約数ペア:

[(1, 3978889173), (3, 1326296391), (7, 568412739), (9, 442098797), (21, 189470913), (63, 63156971)]