81741495

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 150087168

約数和(自身を除く): 68345673

約数列:

[1, 3, 5, 11, 15, 33, 41, 43, 55, 123, 129, 165, 205, 215, 281, 451, 473, 615, 645, 843, 1353, 1405, 1419, 1763, 2255, 2365, 3091, 4215, 5289, 6765, 7095, 8815, 9273, 11521, 12083, 15455, 19393, 26445, 34563, 36249, 46365, 57605, 58179, 60415, 96965, 126731, 132913, 172815, 181245, 290895, 380193, 398739, 495403, 633655, 664565, 1486209, 1900965, 1993695, 2477015, 5449433, 7431045, 16348299, 27247165, 81741495]

約数ペア:

[(1, 81741495), (3, 27247165), (5, 16348299), (11, 7431045), (15, 5449433), (33, 2477015), (41, 1993695), (43, 1900965), (55, 1486209), (123, 664565), (129, 633655), (165, 495403), (205, 398739), (215, 380193), (281, 290895), (451, 181245), (473, 172815), (615, 132913), (645, 126731), (843, 96965), (1353, 60415), (1405, 58179), (1419, 57605), (1763, 46365), (2255, 36249), (2365, 34563), (3091, 26445), (4215, 19393), (5289, 15455), (6765, 12083), (7095, 11521), (8815, 9273)]