7556661

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 13478400

約数和(自身を除く): 5921739

約数列:

[1, 3, 7, 9, 19, 21, 57, 59, 63, 107, 133, 171, 177, 321, 399, 413, 531, 749, 963, 1121, 1197, 1239, 2033, 2247, 3363, 3717, 6099, 6313, 6741, 7847, 10089, 14231, 18297, 18939, 23541, 42693, 44191, 56817, 70623, 119947, 128079, 132573, 359841, 397719, 839629, 1079523, 2518887, 7556661]

約数ペア:

[(1, 7556661), (3, 2518887), (7, 1079523), (9, 839629), (19, 397719), (21, 359841), (57, 132573), (59, 128079), (63, 119947), (107, 70623), (133, 56817), (171, 44191), (177, 42693), (321, 23541), (399, 18939), (413, 18297), (531, 14231), (749, 10089), (963, 7847), (1121, 6741), (1197, 6313), (1239, 6099), (2033, 3717), (2247, 3363)]