257403603

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{28477}}^1$

素因数の和:28634

約数の個数: 16

約数和(自身を含む): 360873216

約数和(自身を除く): 103469613

約数列:

[1, 3, 23, 69, 131, 393, 3013, 9039, 28477, 85431, 654971, 1964913, 3730487, 11191461, 85801201, 257403603]

約数ペア:

[(1, 257403603), (3, 85801201), (23, 11191461), (69, 3730487), (131, 1964913), (393, 654971), (3013, 85431), (9039, 28477)]