8707221

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 13217880

約数和(自身を除く): 4510659

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 457, 657, 1371, 2117, 4113, 6351, 13253, 19053, 33361, 39759, 100083, 119277, 300249, 967469, 2902407, 8707221]

約数ペア:

[(1, 8707221), (3, 2902407), (9, 967469), (29, 300249), (73, 119277), (87, 100083), (219, 39759), (261, 33361), (457, 19053), (657, 13253), (1371, 6351), (2117, 4113)]