7784973

素因数分解:

$3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 13278720

約数和(自身を除く): 5493747

約数列:

[1, 3, 7, 9, 21, 49, 63, 127, 139, 147, 381, 417, 441, 889, 973, 1143, 1251, 2667, 2919, 6223, 6811, 8001, 8757, 17653, 18669, 20433, 52959, 56007, 61299, 123571, 158877, 370713, 864997, 1112139, 2594991, 7784973]

約数ペア:

[(1, 7784973), (3, 2594991), (7, 1112139), (9, 864997), (21, 370713), (49, 158877), (63, 123571), (127, 61299), (139, 56007), (147, 52959), (381, 20433), (417, 18669), (441, 17653), (889, 8757), (973, 8001), (1143, 6811), (1251, 6223), (2667, 2919)]