51491013

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{9467}}^1$

素因数の和:9521

約数の個数: 24

約数和(自身を含む): 82030752

約数和(自身を除く): 30539739

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 9467, 28401, 66269, 198807, 350279, 463883, 1050837, 1391649, 2451953, 7355859, 17163671, 51491013]

約数ペア:

[(1, 51491013), (3, 17163671), (7, 7355859), (21, 2451953), (37, 1391649), (49, 1050837), (111, 463883), (147, 350279), (259, 198807), (777, 66269), (1813, 28401), (5439, 9467)]