40505913

素因数分解:

$3^5\times 7^1\times {\mathrm{23813}}^1$

素因数の和:23835

約数の個数: 24

約数和(自身を含む): 69346368

約数和(自身を除く): 28840455

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 23813, 71439, 166691, 214317, 500073, 642951, 1500219, 1928853, 4500657, 5786559, 13501971, 40505913]

約数ペア:

[(1, 40505913), (3, 13501971), (7, 5786559), (9, 4500657), (21, 1928853), (27, 1500219), (63, 642951), (81, 500073), (189, 214317), (243, 166691), (567, 71439), (1701, 23813)]