287072247

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{42853}}^1$

素因数の和:42903

約数の個数: 32

約数和(自身を含む): 493678080

約数和(自身を除く): 206605833

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 6699, 42853, 128559, 299971, 471383, 899913, 1242737, 1414149, 3299681, 3728211, 8699159, 9899043, 13670107, 26097477, 41010321, 95690749, 287072247]

約数ペア:

[(1, 287072247), (3, 95690749), (7, 41010321), (11, 26097477), (21, 13670107), (29, 9899043), (33, 8699159), (77, 3728211), (87, 3299681), (203, 1414149), (231, 1242737), (319, 899913), (609, 471383), (957, 299971), (2233, 128559), (6699, 42853)]