388131447

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{941}}^1$

素因数の和:1415

約数の個数: 32

約数和(自身を含む): 585999360

約数和(自身を除く): 197867913

約数列:

[1, 3, 11, 29, 33, 87, 319, 431, 941, 957, 1293, 2823, 4741, 10351, 12499, 14223, 27289, 31053, 37497, 81867, 137489, 300179, 405571, 412467, 900537, 1216713, 4461281, 11761559, 13383843, 35284677, 129377149, 388131447]

約数ペア:

[(1, 388131447), (3, 129377149), (11, 35284677), (29, 13383843), (33, 11761559), (87, 4461281), (319, 1216713), (431, 900537), (941, 412467), (957, 405571), (1293, 300179), (2823, 137489), (4741, 81867), (10351, 37497), (12499, 31053), (14223, 27289)]