5161611

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 8975904

約数和(自身を除く): 3814293

約数列:

[1, 3, 7, 13, 21, 37, 39, 49, 73, 91, 111, 147, 219, 259, 273, 481, 511, 637, 777, 949, 1443, 1533, 1813, 1911, 2701, 2847, 3367, 3577, 5439, 6643, 8103, 10101, 10731, 18907, 19929, 23569, 35113, 46501, 56721, 70707, 105339, 132349, 139503, 245791, 397047, 737373, 1720537, 5161611]

約数ペア:

[(1, 5161611), (3, 1720537), (7, 737373), (13, 397047), (21, 245791), (37, 139503), (39, 132349), (49, 105339), (73, 70707), (91, 56721), (111, 46501), (147, 35113), (219, 23569), (259, 19929), (273, 18907), (481, 10731), (511, 10101), (637, 8103), (777, 6643), (949, 5439), (1443, 3577), (1533, 3367), (1813, 2847), (1911, 2701)]