8409639

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 13404160

約数和(自身を除く): 4994521

約数列:

[1, 3, 7, 21, 43, 67, 129, 139, 201, 301, 417, 469, 903, 973, 1407, 2881, 2919, 5977, 8643, 9313, 17931, 20167, 27939, 41839, 60501, 65191, 125517, 195573, 400459, 1201377, 2803213, 8409639]

約数ペア:

[(1, 8409639), (3, 2803213), (7, 1201377), (21, 400459), (43, 195573), (67, 125517), (129, 65191), (139, 60501), (201, 41839), (301, 27939), (417, 20167), (469, 17931), (903, 9313), (973, 8643), (1407, 5977), (2881, 2919)]