131131278

素因数分解:

$2^1\times 3^3\times {\mathrm{2428357}}^1$

素因数の和:2428368

約数の個数: 16

約数和(自身を含む): 291402960

約数和(自身を除く): 160271682

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 2428357, 4856714, 7285071, 14570142, 21855213, 43710426, 65565639, 131131278]

約数ペア:

[(1, 131131278), (2, 65565639), (3, 43710426), (6, 21855213), (9, 14570142), (18, 7285071), (27, 4856714), (54, 2428357)]