2609439

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{907}}^1$

素因数の和:1054

約数の個数: 16

約数和(自身を含む): 4009728

約数和(自身を除く): 1400289

約数列:

[1, 3, 7, 21, 137, 411, 907, 959, 2721, 2877, 6349, 19047, 124259, 372777, 869813, 2609439]

約数ペア:

[(1, 2609439), (3, 869813), (7, 372777), (21, 124259), (137, 19047), (411, 6349), (907, 2877), (959, 2721)]