201990243

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 356493312

約数和(自身を除く): 154503069

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 71, 91, 119, 213, 221, 273, 357, 497, 613, 663, 923, 1207, 1491, 1547, 1839, 2769, 3621, 4291, 4641, 6461, 7969, 8449, 10421, 12873, 15691, 19383, 23907, 25347, 31263, 43523, 47073, 55783, 72947, 109837, 130569, 135473, 167349, 218841, 304661, 329511, 406419, 565799, 739891, 913983, 948311, 1697397, 2219673, 2844933, 3960593, 5179237, 9618583, 11881779, 15537711, 28855749, 67330081, 201990243]

約数ペア:

[(1, 201990243), (3, 67330081), (7, 28855749), (13, 15537711), (17, 11881779), (21, 9618583), (39, 5179237), (51, 3960593), (71, 2844933), (91, 2219673), (119, 1697397), (213, 948311), (221, 913983), (273, 739891), (357, 565799), (497, 406419), (613, 329511), (663, 304661), (923, 218841), (1207, 167349), (1491, 135473), (1547, 130569), (1839, 109837), (2769, 72947), (3621, 55783), (4291, 47073), (4641, 43523), (6461, 31263), (7969, 25347), (8449, 23907), (10421, 19383), (12873, 15691)]