2938131

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 4898400

約数和(自身を除く): 1960269

約数列:

[1, 3, 7, 9, 21, 63, 149, 313, 447, 939, 1043, 1341, 2191, 2817, 3129, 6573, 9387, 19719, 46637, 139911, 326459, 419733, 979377, 2938131]

約数ペア:

[(1, 2938131), (3, 979377), (7, 419733), (9, 326459), (21, 139911), (63, 46637), (149, 19719), (313, 9387), (447, 6573), (939, 3129), (1043, 2817), (1341, 2191)]