27861211

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1482

約数の個数: 16

約数和(自身を含む): 33504768

約数和(自身を除く): 5643557

約数列:

[1, 7, 23, 131, 161, 917, 1321, 3013, 9247, 21091, 30383, 173051, 212681, 1211357, 3980173, 27861211]

約数ペア:

[(1, 27861211), (7, 3980173), (23, 1211357), (131, 212681), (161, 173051), (917, 30383), (1321, 21091), (3013, 9247)]