71623251

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1325

約数の個数: 48

約数和(自身を含む): 126403200

約数和(自身を除く): 54779949

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 301, 387, 441, 903, 1161, 1259, 1323, 2107, 2709, 3777, 6321, 8127, 8813, 11331, 18963, 26439, 33993, 54137, 56889, 61691, 79317, 162411, 185073, 237951, 378959, 487233, 555219, 1136877, 1461699, 1665657, 2652713, 3410631, 7958139, 10231893, 23874417, 71623251]

約数ペア:

[(1, 71623251), (3, 23874417), (7, 10231893), (9, 7958139), (21, 3410631), (27, 2652713), (43, 1665657), (49, 1461699), (63, 1136877), (129, 555219), (147, 487233), (189, 378959), (301, 237951), (387, 185073), (441, 162411), (903, 79317), (1161, 61691), (1259, 56889), (1323, 54137), (2107, 33993), (2709, 26439), (3777, 18963), (6321, 11331), (8127, 8813)]