2051215551

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{3761}}^1$

素因数の和:4572

約数の個数: 48

約数和(自身を含む): 3699641088

約数和(自身を除く): 1648425537

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 787, 2361, 3761, 5509, 7083, 8657, 11283, 16527, 25971, 26327, 33849, 41371, 49581, 60599, 77913, 78981, 124113, 181797, 236943, 289597, 372339, 545391, 868791, 2606373, 2959907, 8879721, 20719349, 26639163, 32558977, 62158047, 97676931, 186474141, 227912839, 293030793, 683738517, 2051215551]

約数ペア:

[(1, 2051215551), (3, 683738517), (7, 293030793), (9, 227912839), (11, 186474141), (21, 97676931), (33, 62158047), (63, 32558977), (77, 26639163), (99, 20719349), (231, 8879721), (693, 2959907), (787, 2606373), (2361, 868791), (3761, 545391), (5509, 372339), (7083, 289597), (8657, 236943), (11283, 181797), (16527, 124113), (25971, 78981), (26327, 77913), (33849, 60599), (41371, 49581)]