220173921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{9973}}^1$

素因数の和:10213

約数の個数: 24

約数和(自身を含む): 348531456

約数和(自身を除く): 128357535

約数列:

[1, 3, 9, 11, 33, 99, 223, 669, 2007, 2453, 7359, 9973, 22077, 29919, 89757, 109703, 329109, 987327, 2223979, 6671937, 20015811, 24463769, 73391307, 220173921]

約数ペア:

[(1, 220173921), (3, 73391307), (9, 24463769), (11, 20015811), (33, 6671937), (99, 2223979), (223, 987327), (669, 329109), (2007, 109703), (2453, 89757), (7359, 29919), (9973, 22077)]