1286967

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 1906560

約数和(自身を除く): 619593

約数列:

[1, 3, 11, 33, 59, 177, 649, 661, 1947, 1983, 7271, 21813, 38999, 116997, 428989, 1286967]

約数ペア:

[(1, 1286967), (3, 428989), (11, 116997), (33, 38999), (59, 21813), (177, 7271), (649, 1983), (661, 1947)]