71781885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1259}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 143095680

約数和(自身を除く): 71313795

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 181, 315, 543, 905, 1259, 1267, 1629, 2715, 3777, 3801, 6295, 6335, 8145, 8813, 11331, 11403, 18885, 19005, 26439, 44065, 56655, 57015, 79317, 132195, 227879, 396585, 683637, 1139395, 1595153, 2050911, 3418185, 4785459, 7975765, 10254555, 14356377, 23927295, 71781885]

約数ペア:

[(1, 71781885), (3, 23927295), (5, 14356377), (7, 10254555), (9, 7975765), (15, 4785459), (21, 3418185), (35, 2050911), (45, 1595153), (63, 1139395), (105, 683637), (181, 396585), (315, 227879), (543, 132195), (905, 79317), (1259, 57015), (1267, 56655), (1629, 44065), (2715, 26439), (3777, 19005), (3801, 18885), (6295, 11403), (6335, 11331), (8145, 8813)]