1947729

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{677}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 2994048

約数和(自身を除く): 1046319

約数列:

[1, 3, 7, 21, 137, 411, 677, 959, 2031, 2877, 4739, 14217, 92749, 278247, 649243, 1947729]

約数ペア:

[(1, 1947729), (3, 649243), (7, 278247), (21, 92749), (137, 14217), (411, 4739), (677, 2877), (959, 2031)]