128666523

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{839}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 189665280

約数和(自身を除く): 60998757

約数列:

[1, 3, 17, 31, 51, 93, 97, 291, 527, 839, 1581, 1649, 2517, 3007, 4947, 9021, 14263, 26009, 42789, 51119, 78027, 81383, 153357, 244149, 442153, 1326459, 1383511, 2522873, 4150533, 7568619, 42888841, 128666523]

約数ペア:

[(1, 128666523), (3, 42888841), (17, 7568619), (31, 4150533), (51, 2522873), (93, 1383511), (97, 1326459), (291, 442153), (527, 244149), (839, 153357), (1581, 81383), (1649, 78027), (2517, 51119), (3007, 42789), (4947, 26009), (9021, 14263)]