212916963

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{64579}}^1$

素因数の和:64746

約数の個数: 16

約数和(自身を含む): 326516480

約数和(自身を除く): 113599517

約数列:

[1, 3, 7, 21, 157, 471, 1099, 3297, 64579, 193737, 452053, 1356159, 10138903, 30416709, 70972321, 212916963]

約数ペア:

[(1, 212916963), (3, 70972321), (7, 30416709), (21, 10138903), (157, 1356159), (471, 452053), (1099, 193737), (3297, 64579)]