215020818

素因数分解:

$2^1\times 3^4\times {\mathrm{1327289}}^1$

素因数の和:1327303

約数の個数: 20

約数和(自身を含む): 481806270

約数和(自身を除く): 266785452

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1327289, 2654578, 3981867, 7963734, 11945601, 23891202, 35836803, 71673606, 107510409, 215020818]

約数ペア:

[(1, 215020818), (2, 107510409), (3, 71673606), (6, 35836803), (9, 23891202), (18, 11945601), (27, 7963734), (54, 3981867), (81, 2654578), (162, 1327289)]