16938957

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{829}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 26493600

約数和(自身を除く): 9554643

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 829, 973, 2487, 2919, 5803, 6811, 17409, 20433, 40621, 115231, 121863, 345693, 806617, 2419851, 5646319, 16938957]

約数ペア:

[(1, 16938957), (3, 5646319), (7, 2419851), (21, 806617), (49, 345693), (139, 121863), (147, 115231), (417, 40621), (829, 20433), (973, 17409), (2487, 6811), (2919, 5803)]