56215719

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{52489}}^1$

素因数の和:52519

約数の個数: 24

約数和(自身を含む): 98261280

約数和(自身を除く): 42045561

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 52489, 157467, 367423, 472401, 892313, 1102269, 2676939, 3306807, 6246191, 8030817, 18738573, 56215719]

約数ペア:

[(1, 56215719), (3, 18738573), (7, 8030817), (9, 6246191), (17, 3306807), (21, 2676939), (51, 1102269), (63, 892313), (119, 472401), (153, 367423), (357, 157467), (1071, 52489)]