31397373

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6827}}^1$

素因数の和:6913

約数の個数: 24

約数和(自身を含む): 52548288

約数和(自身を除く): 21150915

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 6827, 20481, 47789, 61443, 143367, 430101, 498371, 1495113, 3488597, 4485339, 10465791, 31397373]

約数ペア:

[(1, 31397373), (3, 10465791), (7, 4485339), (9, 3488597), (21, 1495113), (63, 498371), (73, 430101), (219, 143367), (511, 61443), (657, 47789), (1533, 20481), (4599, 6827)]