209462709

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1\times {\mathrm{2347}}^1$

素因数の和:2840

約数の個数: 16

約数和(自身を含む): 284014080

約数和(自身を除く): 74551371

約数列:

[1, 3, 71, 213, 419, 1257, 2347, 7041, 29749, 89247, 166637, 499911, 983393, 2950179, 69820903, 209462709]

約数ペア:

[(1, 209462709), (3, 69820903), (71, 2950179), (213, 983393), (419, 499911), (1257, 166637), (2347, 89247), (7041, 29749)]