81356004

素因数分解:

$2^2\times 3^2\times {\mathrm{2259889}}^1$

素因数の和:2259899

約数の個数: 18

約数和(自身を含む): 205649990

約数和(自身を除く): 124293986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2259889, 4519778, 6779667, 9039556, 13559334, 20339001, 27118668, 40678002, 81356004]

約数ペア:

[(1, 81356004), (2, 40678002), (3, 27118668), (4, 20339001), (6, 13559334), (9, 9039556), (12, 6779667), (18, 4519778), (36, 2259889)]