215756859

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{44041}}^1$

素因数の和:44138

約数の個数: 16

約数和(自身を含む): 304418304

約数和(自身を除く): 88661445

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4899, 44041, 132123, 1012943, 3038829, 3126911, 9380733, 71918953, 215756859]

約数ペア:

[(1, 215756859), (3, 71918953), (23, 9380733), (69, 3126911), (71, 3038829), (213, 1012943), (1633, 132123), (4899, 44041)]