212219241

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{115777}}^1$

素因数の和:115840

約数の個数: 16

約数和(自身を含む): 311211264

約数和(自身を除く): 98992023

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 115777, 347331, 1505101, 4515303, 5441519, 16324557, 70739747, 212219241]

約数ペア:

[(1, 212219241), (3, 70739747), (13, 16324557), (39, 5441519), (47, 4515303), (141, 1505101), (611, 347331), (1833, 115777)]