4747131

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 8087040

約数和(自身を除く): 3339909

約数列:

[1, 3, 9, 17, 19, 23, 51, 57, 69, 71, 153, 171, 207, 213, 323, 391, 437, 639, 969, 1173, 1207, 1311, 1349, 1633, 2907, 3519, 3621, 3933, 4047, 4899, 7429, 10863, 12141, 14697, 22287, 22933, 27761, 31027, 66861, 68799, 83283, 93081, 206397, 249849, 279243, 527459, 1582377, 4747131]

約数ペア:

[(1, 4747131), (3, 1582377), (9, 527459), (17, 279243), (19, 249849), (23, 206397), (51, 93081), (57, 83283), (69, 68799), (71, 66861), (153, 31027), (171, 27761), (207, 22933), (213, 22287), (323, 14697), (391, 12141), (437, 10863), (639, 7429), (969, 4899), (1173, 4047), (1207, 3933), (1311, 3621), (1349, 3519), (1633, 2907)]