51294915

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 106028208

約数和(自身を除く): 54733293

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 49, 63, 105, 129, 147, 215, 245, 301, 315, 387, 441, 541, 645, 735, 903, 1505, 1623, 1935, 2107, 2205, 2705, 2709, 3787, 4515, 4869, 6321, 8115, 10535, 11361, 13545, 18935, 18963, 23263, 24345, 26509, 31605, 34083, 56805, 69789, 79527, 94815, 116315, 132545, 162841, 170415, 209367, 238581, 348945, 397635, 488523, 814205, 1046835, 1139887, 1192905, 1465569, 2442615, 3419661, 5699435, 7327845, 10258983, 17098305, 51294915]

約数ペア:

[(1, 51294915), (3, 17098305), (5, 10258983), (7, 7327845), (9, 5699435), (15, 3419661), (21, 2442615), (35, 1465569), (43, 1192905), (45, 1139887), (49, 1046835), (63, 814205), (105, 488523), (129, 397635), (147, 348945), (215, 238581), (245, 209367), (301, 170415), (315, 162841), (387, 132545), (441, 116315), (541, 94815), (645, 79527), (735, 69789), (903, 56805), (1505, 34083), (1623, 31605), (1935, 26509), (2107, 24345), (2205, 23263), (2705, 18963), (2709, 18935), (3787, 13545), (4515, 11361), (4869, 10535), (6321, 8115)]