211231437

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{3217}}^1$

素因数の和:3772

約数の個数: 16

約数和(自身を含む): 288847680

約数和(自身を除く): 77616243

約数列:

[1, 3, 43, 129, 509, 1527, 3217, 9651, 21887, 65661, 138331, 414993, 1637453, 4912359, 70410479, 211231437]

約数ペア:

[(1, 211231437), (3, 70410479), (43, 4912359), (129, 1637453), (509, 414993), (1527, 138331), (3217, 65661), (9651, 21887)]