1279746861

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{541}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 1781471616

約数和(自身を除く): 501724755

約数列:

[1, 3, 37, 101, 111, 211, 303, 541, 633, 1623, 3737, 7807, 11211, 20017, 21311, 23421, 54641, 60051, 63933, 114151, 163923, 342453, 788507, 2021717, 2365521, 4223587, 6065151, 11529251, 12670761, 34587753, 426582287, 1279746861]

約数ペア:

[(1, 1279746861), (3, 426582287), (37, 34587753), (101, 12670761), (111, 11529251), (211, 6065151), (303, 4223587), (541, 2365521), (633, 2021717), (1623, 788507), (3737, 342453), (7807, 163923), (11211, 114151), (20017, 63933), (21311, 60051), (23421, 54641)]