131221908

素因数分解:

$2^2\times 3^2\times {\mathrm{3645053}}^1$

素因数の和:3645063

約数の個数: 18

約数和(自身を含む): 331699914

約数和(自身を除く): 200478006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 3645053, 7290106, 10935159, 14580212, 21870318, 32805477, 43740636, 65610954, 131221908]

約数ペア:

[(1, 131221908), (2, 65610954), (3, 43740636), (4, 32805477), (6, 21870318), (9, 14580212), (12, 10935159), (18, 7290106), (36, 3645053)]