211314159

素因数分解:

$3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{12109}}^1$

素因数の和:12399

約数の個数: 24

約数和(自身を含む): 350124320

約数和(自身を除く): 138810161

約数列:

[1, 3, 7, 9, 21, 63, 277, 831, 1939, 2493, 5817, 12109, 17451, 36327, 84763, 108981, 254289, 762867, 3354193, 10062579, 23479351, 30187737, 70438053, 211314159]

約数ペア:

[(1, 211314159), (3, 70438053), (7, 30187737), (9, 23479351), (21, 10062579), (63, 3354193), (277, 762867), (831, 254289), (1939, 108981), (2493, 84763), (5817, 36327), (12109, 17451)]